--- title: "Buy CPM Traffic: Targeted Traffic & Source Control | FroggyAds" canonical: "https://froggyads.com/buy-cpm-traffic/" markdown_url: "https://froggyads.com/buy-cpm-traffic.md" description: "Buy CPM traffic with placement, viewability, frequency and source controls, then connect impression cost to qualified visits and accepted outcomes." language: "en" --- [Home](https://froggyads.com/)/[Advertising Network](https://froggyads.com/ad-network/)/Buy CPM TrafficWorldwide self-serve media buying # Buy CPM Traffic Buy CPM traffic with placement, viewability, frequency and source controls, then connect impression cost to qualified visits and accepted outcomes. [Create My Free Account ](https://premium.froggyads.com/#/signup)[Explore paid traffic](https://froggyads.com/buy-website-traffic/) ![Buy CPM Traffic planning dashboard](https://froggyads.com/assets-redesign-2026/images/froggyads-buy-cpm-traffic-hero.svg) Key takeaways ## Buy CPM Traffic at a glance ### What does this page explain about Buy CPM Traffic: Targeted Traffic & Source Control? **Quick answer:** Buy CPM traffic with placement, viewability, frequency and source controls, then connect impression cost to qualified visits and accepted outcomes. A buyer evaluating a buy cpm traffic should connect display, video, interstitial and other impression-priced inventory billed per thousand qualifying impressions to a specific goal: buy scalable reach while controlling viewability, frequency and post-impression value. evidence points for buy cpm traffic usually open with definitions, comparison tables and lists of media platform features. Use display cpm when its attention pattern, creative requirements and pricing model support buy scalable reach while controlling viewability, frequency and post-impression value. | Section | Distinct excerpt from this page | |---|---| | How to evaluate a buy cpm traffic | The campaign is useful only when delivery can be traced to a CPM campaign measured from valid impressions through qualified visits and outcomes. | | What buyers are trying to solve with buy cpm traffic | Searchers want to understand the buying model, compare platform capabilities and decide whether the channel can support buy scalable reach while controlling viewability, frequency and post-impression value. | | Inventory fit | Confirm that the platform can reach display, video, interstitial and other impression-priced inventory billed per thousand qualifying impressions in the GEOs, devices and contexts the campaign actually needs. | Reference for Buy CPM Traffic: Targeted Traffic & Source Control: [IAB Tech Lab OpenRTB standards](https://iabtechlab.com/standards/openrtb/). - **Planning:** How to evaluate a buy cpm traffic. - **Control:** What buyers are trying to solve with buy cpm traffic. - **Decision:** Six questions to ask before choosing a buy cpm traffic. Direct answer ## How to evaluate a buy cpm traffic The strongest platform decision begins with the business event, not the traffic headline. A buyer evaluating a buy cpm traffic should connect display, video, interstitial and other impression-priced inventory billed per thousand qualifying impressions to a specific goal: buy scalable reach while controlling viewability, frequency and post-impression value. The campaign is useful only when delivery can be traced to a CPM campaign measured from valid impressions through qualified visits and outcomes. The key platform decision is what effective CPM the objective supports and how placement quality, frequency and creative affect value. That requires a written test plan, campaign-level tracking, source segmentation and a clear definition of an accepted outcome before the first budget is spent. The most common mistake is selecting the lowest CPM without checking whether impressions are viewable, relevant or incrementally useful. The same principle applies when the budget begins to scale. Separate campaigns whenever format, GEO, device, landing page, conversion rule or commercial value changes enough to require a different decision. For Buy CPM Traffic, connect this rule to the named audience, workflow, or comparison before acting. FroggyAds provides self-serve access to worldwide programmatic supply, six core ad formats and detailed targeting controls where supported. Adscore signals and internal controls help identify invalid or low-quality traffic, while the advertiser remains responsible for creative accuracy, legal eligibility, landing-page quality and downstream conversion validation. **20B+**daily impressions available across worldwide supply**750+**SSP integrations available through the FroggyAds platform **Targeting controls**GEO, city, device, OS, browser, carrier, category and source settings where supported **Quality workflow**Track, validate and optimize outcomes rather than assuming every delivered visit has equal valuebuyer question ## What buyers are trying to solve with buy cpm traffic The query buy cpm traffic combines category research with commercial evaluation. Searchers want to understand the buying model, compare platform capabilities and decide whether the channel can support buy scalable reach while controlling viewability, frequency and post-impression value. For Buy CPM Traffic, connect this rule to the named audience, workflow, or comparison before acting. Current result pages often cover pricing-model definitions, network category pages, formula and metric guides, buyer checklists, conversion-quality discussions. This guide adds an advertiser operating model: how to define the outcome, structure the test, validate traffic, optimize sources and scale without losing measurement clarity. This page is intentionally narrower than related FroggyAds pages. Owns direct CPM traffic purchase intent. /cpm-ad-network/ owns network selection and educational pricing pages explain CPM calculations and benchmarks. That ownership rule keeps the site from creating multiple pages for the same broad synonym. The relevant buyer is brands, performance advertisers and media buyers purchasing reach and display volume. The relevant supply is display, video, interstitial and other impression-priced inventory billed per thousand qualifying impressions. Those two facts should remain visible throughout the campaign plan instead of disappearing behind a general promise of reach. Evaluation framework ## Six questions to ask before choosing a buy cpm traffic ### Inventory fit Confirm that the platform can reach display, video, interstitial and other impression-priced inventory billed per thousand qualifying impressions in the GEOs, devices and contexts the campaign actually needs. ### Format fit Choose among Display CPM, Video CPM, Interstitial CPM, Mobile CPM according to the message, destination and stage of the user journey. ### Targeting control Inspect country, city, device, OS, browser, carrier, category, audience and source controls where supported. ### Measurement depth Make sure the setup can report effective CPM, viewable impression rate, qualified visit rate and the final accepted event. ### Quality controls Use traffic-quality signals, click caps, exclusions, blacklists, whitelists and post-click validation together. ### Operating fit Check minimum funding, approval workflow, reporting speed, support access and the effort needed to manage campaigns. Buyer checklist ## Turn platform claims into testable requirements | Area | Requirement | What to verify | |---|---|---| | Business outcome | a CPM campaign measured from valid impressions through qualified visits and outcomes | Write the accepted event and rejection rules before launch. | | Inventory | display, video, interstitial and other impression-priced inventory billed per thousand qualifying impressions | Confirm market and format availability instead of assuming uniform global supply. | | Creative | Display CPM and Video CPM | Build at least two materially different messages for each format. | | Destination | transactional purchase of cost-per-thousand impression traffic | Test page speed, mobile behavior, continuity and event firing. | | Source controls | Source ID, caps, blacklist and whitelist | Define minimum data and stop thresholds. | | Decision cadence | cost per accepted outcome | Review on a schedule that matches conversion delay and event volume. | A platform comparison becomes useful when every claim is connected to evidence the buyer can inspect. Launch workflow ## An eight-step buy cpm traffic test plan 1 ### Define one accepted outcome Use a CPM campaign measured from valid impressions through qualified visits and outcomes as the business truth. Document duplicates, invalid events, cancellations or other exclusions. 2 ### Verify market and policy fit Confirm the campaign, creative, landing page and audience are lawful and eligible in every target market. 3 ### Separate unlike campaign cells Split GEOs, devices, formats, landing pages and value tiers whenever they require different bids or decisions. 4 ### Install campaign tracking Use tracking parameters, pixels or server-to-server postbacks and test the complete path before spending. 5 ### Launch controlled creative tests Start with a small set of clearly different concepts across Display CPM, Video CPM or another suitable format. 6 ### Collect source-level evidence Compare effective CPM, viewable impression rate and qualified visit rate by source, not only in aggregate. 7 ### Block waste and isolate promise Exclude repeatedly weak sources, then move promising sources into dedicated campaigns or whitelists. 8 ### Scale in measured steps Increase budget or bids gradually and watch whether cost per accepted outcome remains acceptable at the new volume. Operator fieldbook ## How to run transactional purchase of cost-per-thousand impression traffic without losing decision quality evidence points for buy cpm traffic usually open with definitions, comparison tables and lists of media platform features. That helps a researcher orient quickly, yet it does not show how transactional purchase of cost-per-thousand impression traffic should be operated after an account is funded. The useful gap is a decision model that links the supply being purchased to a business event the growth unit can accept or reject. Reduce the brief to a single operational sentence: acquire display, video, interstitial and other impression-priced inventory billed per thousand qualifying impressions in order to buy scalable reach while controlling viewability, frequency and post-impression value, then judge the effort through a CPM activation plan measured from valid impressions through qualified visits and outcomes. When a growth unit cannot state the plan this plainly, activation plan settings tend to accumulate without a common purpose. The sentence also exposes missing dependencies before the launch, including unsupported markets, broken events or a destination that cannot complete the promised action. The audience described by brands, performance advertisers and media buyers purchasing reach and display volume is not one homogeneous pool. Market rules, device behavior, language, product value and conversion friction can all change the economics. Split those differences into visible activation plan cells so the decision table does not compress several business models into a single average. Format choice should follow the amount of explanation and attention the offer requires. Display CPM can serve one stage, while Video CPM or Interstitial CPM may create a more suitable context for another. Mobile CPM can introduce efficient reach when the page is fast and the user expectation is clear. Keep every format in its own validation cycle so pricing and behavior remain interpretable. Within Buy CPM Traffic, use this checkpoint when recording the next page-specific decision. The destination is part of the buying system. It must load on the targeted device, preserve the ad treatment promise and record the intended event without duplicate firing. A network cannot be assessed fairly if users reach a slow page, encounter a broken form or discover that the offer shown in the ad is not available in their market. Build the measurement ladder from effective CPM to viewable impression rate, then to qualified visit rate and finally cost per accepted outcome. Each rung answers a different question. Delivery shows that the opportunity arrived, engagement shows some intent, conversion shows the expected action, and the last metric determines whether the economics support another investment limit decision. Rate and sample size must be considered together. One positive event from a small publisher source is an invitation to validation cycle, not proof. Hundreds of visits without qualified visit rate create much stronger negative evidence. Set minimum data thresholds so investment limit changes reflect patterns instead of the last conversion seen in the dashboard. Consider a brand planning a reach activation plan beside an ecommerce advertiser comparing display placements. Their audiences may overlap, yet the message, page depth and accepted event can be very different. The same separation applies to a video media operator tracking completion and clicks and an agency normalizing CPM across markets. Build each scenario as its own hypothesis rather than forcing four commercial stories into one activation plan. When using Buy CPM Traffic, apply this rule only to the conditions and decision described on this page. Traffic quality is layered. Technical filters and invalid-traffic signals remove some obvious waste. Context, relevance and landing behavior determine another layer. The final layer is the advertiser's own acceptance logic. A technically valid user can still be wrong for the offer, while a quieter publisher source can create better long-term value. Scaling changes the mix of auctions and sources. Higher bids can reach more expensive opportunities; larger budgets can extend into different hours, devices or inventory. Watch cost per accepted outcome at the margin. If the newly purchased volume is weaker than the original cohort, isolate the expansion rather than rewriting the entire activation plan. On Buy CPM Traffic, use this control to keep the page's evidence and action traceable. The most useful reporting table joins cost, publisher source, format, GEO, device, ad treatment, landing page and accepted outcome. With those dimensions aligned, the operator can answer which combination deserves the next dollar. Without them, the dashboard may describe activity while failing to support a investment limit decision. Keep a change log for transactional purchase of cost-per-thousand impression traffic. Record the reason, timestamp, operator and expected effect of every bid, investment limit, ad treatment, targeting or publisher source change. The log prevents repeated pilots and lets the growth unit distinguish a media platform shift from a change it introduced itself. Format planning ## Choose formats by user journey, not habit ### Display CPM Use display cpm when its attention pattern, creative requirements and pricing model support buy scalable reach while controlling viewability, frequency and post-impression value. Keep it in a separate campaign cell so its source and conversion behavior remain visible. ### Video CPM Use video cpm when its attention pattern, creative requirements and pricing model support buy scalable reach while controlling viewability, frequency and post-impression value. Keep it in a separate campaign cell so its source and conversion behavior remain visible. ### Interstitial CPM Use interstitial cpm when its attention pattern, creative requirements and pricing model support buy scalable reach while controlling viewability, frequency and post-impression value. Keep it in a separate campaign cell so its source and conversion behavior remain visible. ### Mobile CPM Use mobile cpm when its attention pattern, creative requirements and pricing model support buy scalable reach while controlling viewability, frequency and post-impression value. Keep it in a separate campaign cell so its source and conversion behavior remain visible. ### Desktop CPM Use desktop cpm when its attention pattern, creative requirements and pricing model support buy scalable reach while controlling viewability, frequency and post-impression value. Keep it in a separate campaign cell so its source and conversion behavior remain visible. ### SmartCPM Use smartcpm when its attention pattern, creative requirements and pricing model support buy scalable reach while controlling viewability, frequency and post-impression value. Keep it in a separate campaign cell so its source and conversion behavior remain visible. Measurement model ## Metrics that connect media delivery to business value | Metric | Decision layer | Why it matters | |---|---|---| | effective CPM | Delivery and technical quality | Shows whether purchased traffic reaches a usable destination. | | viewable impression rate | Intent and experience quality | Separates superficial delivery from meaningful interaction. | | qualified visit rate | Conversion quality | Measures whether the source produces the expected user action. | | cost per accepted outcome | Commercial decision | Determines whether the result can support more budget. | | Source-level variance | Optimization risk | Reveals whether blended averages hide winners and losers. | | Marginal cost at higher spend | Scale quality | Shows how performance changes when the campaign enters additional inventory. | The final optimization event should match the event the business actually values and accepts. Source optimization ## Build a source learning system Begin with broad but controlled discovery. Keep Display CPM, Video CPM and other formats in separate campaigns, apply reasonable caps and gather enough data to distinguish a repeatable pattern from random noise. Evaluate sources using the full event ladder. A source can have an attractive effective CPM and still fail on qualified visit rate. Another source can look expensive at the click level and become efficient after acceptance or repeat value is included. For Buy CPM Traffic, apply this control to the page's stated scope and evidence window. Use three states rather than a simple good-or-bad label: discovery, probation and proven. Discovery sources receive limited budget. Probation sources have enough positive evidence to justify a focused test. Proven sources have repeated the result and can receive dedicated bids, budgets or whitelist treatment. In Buy CPM Traffic, keep the evidence, owner, and next action attached to this control. Blacklists protect the budget from repeated waste, while whitelists create controlled scaling surfaces. Neither list should be permanent without review. Publisher behavior, competition, devices, creative fit and conversion performance can change over time. Within Buy CPM Traffic, use this checkpoint when recording the next page-specific decision. The practical scale question is whether cost per accepted outcome remains acceptable as spend increases. Track the marginal result from the new budget, not only the historical average created before scale. Scenario lab ## Four ways a buy cpm traffic campaign can differ | Scenario | Likely starting format | Primary signal | Structural rule | |---|---|---|---| | A Brand Planning A Reach Campaign | Display CPM | effective CPM | Use a separate campaign, destination and stop rule. | | An Ecommerce Advertiser Comparing Display Placements | Video CPM | viewable impression rate | Use a separate campaign, destination and stop rule. | | A Video Buyer Tracking Completion And Clicks | Interstitial CPM | qualified visit rate | Use a separate campaign, destination and stop rule. | | An Agency Normalizing Cpm Across Markets | Mobile CPM | cost per accepted outcome | Use a separate campaign, destination and stop rule. | Each scenario should have its own creative promise, landing experience and decision threshold. Creative and landing continuity ## Make the click understandable Creative for transactional purchase of cost-per-thousand impression traffic should describe the real next step. The headline, visual and call to action must set expectations the landing page can continue immediately. Within Buy CPM Traffic, use this checkpoint when recording the next page-specific decision. Build creative differences that represent distinct hypotheses. Changing a button color is not a useful strategic test when the real uncertainty is whether the audience responds to price, speed, proof, convenience, education or a different product angle. In Buy CPM Traffic, keep the evidence, owner, and next action attached to this control. Match creative density to the format. A push message must make sense in very little space. Native can introduce a problem and route the user to deeper content. Display needs a clear visual hierarchy. Video requires an early hook and a destination that continues the story. For Buy CPM Traffic, apply this control to the page's stated scope and evidence window. The landing page should be fast, stable and specific. Remove unnecessary scripts, compress visual assets, reserve image dimensions and keep the primary action visible on common mobile screens. Technical speed supports both user experience and media efficiency. For the Buy CPM Traffic decision, record how this control changes the next test or review. Run a preflight click from every important device path. Confirm redirects, tracking parameters, consent behavior, form submission, thank-you pages and server-side events. A campaign should not start while the team is still guessing whether the measurement chain works. Selection scorecard ## Score a buy cpm traffic before funding the test | Dimension | Score | Question | |---|---|---| | Supply relevance | 0-5 | Does the available inventory match the market, device, context and format? | | Control | 0-5 | Can the buyer separate, cap, exclude and bid by meaningful dimensions? | | Measurement | 0-5 | Can delivery be connected to accepted downstream events? | | Quality visibility | 0-5 | Are source-level and post-click differences visible? | | Operational fit | 0-5 | Can the team launch, review and change campaigns efficiently? | | Scale potential | 0-5 | Does performance remain useful as the campaign reaches additional supply? | A high total score does not replace testing. It simply shows whether the platform has the ingredients required for a fair evaluation. Limits and responsibilities ## What a traffic platform cannot decide for the advertiser No buy cpm traffic can guarantee traffic quality, conversions, revenue or ranking outcomes. The platform supplies access and controls; the advertiser supplies the offer, creative, destination, tracking and business rules. For Buy CPM Traffic, apply this control to the page's stated scope and evidence window. Inventory and pricing vary by GEO, device, format, category, time and competition. A result from one campaign cell should not be projected automatically onto another. FroggyAds can support source-level analysis, but the advertiser must define what counts as an accepted a CPM campaign measured from valid impressions through qualified visits and outcomes and pass reliable events back into the reporting workflow. For Buy CPM Traffic, treat this as a page-specific operating check rather than a universal benchmark. Automation can help with bidding and optimization, but it cannot repair a misleading creative, a slow page, an unsupported product or an event that measures the wrong behavior. ## Buy CPM Traffic FAQ ### For Buy CPM Traffic, what does buying traffic on a CPM basis mean? The advertiser pays for a stated quantity of impressions, while business value still depends on exposure quality and accepted downstream outcomes. ### For Buy CPM Traffic, why should CPM buyers inspect whether ads were viewable? Served impressions may not receive a practical opportunity to be seen, so placement and viewability evidence help interpret the purchased delivery. ### For Buy CPM Traffic, how can repeated impressions affect a CPM campaign? Excess exposure can raise cost without adding useful response, making frequency cohorts and limits important for both efficiency and experience. ### For Buy CPM Traffic, which inventory details matter before a CPM order? Ask for format, placement type, market, device, source visibility, resold supply, exclusions and the rules used to count impressions. Confirm that the platform can reach display video interstitial and other impression priced inventory billed per thousand qualifying impressions in the GEOs devices and contexts the campaign actually. ### For Buy CPM Traffic, what creative works in an impression-priced traffic test? Use an accurate proposition, visible brand, suitable qualification and one clear action designed for the actual placement dimensions. Use a CPM campaign measured from valid impressions through qualified visits and outcomes as the business truth. ### For Buy CPM Traffic, how should CPM traffic sources be controlled? Keep placement identifiers, separate budgets and exclusion tools connected to credible engagement and the advertiser's approved commercial event. The query buy cpm traffic combines category research with commercial evaluation. ### For Buy CPM Traffic, what must the destination do after an impression-priced ad wins attention? The destination needs to continue the message, load properly on the targeted device and make material terms and the next step clear. ### For Buy CPM Traffic, how should unusual CPM delivery be investigated? Preserve impression, click, source, time and device records, verify implementation and request review before assigning a cause. Quick answer: Buy CPM traffic with placement, viewability, frequency and source controls, then connect impression cost to qualified visits and accepted outcomes. ### For Buy CPM Traffic, how can a first CPM traffic budget be bounded? Fix the maximum test loss before delivery, then apportion it across identifiable sources and only the variations the budget can evaluate. ### For Buy CPM Traffic, when can a CPM campaign buy more impressions? Increase delivery after accepted value repeats by source and marginal performance remains within range as frequency or inventory expands. A Brand Planning A Reach Campaign Use a separate campaign, destination and stop rule. Industry references ## Use standards, public references and market rules as operating inputs for Buy CPM Traffic For Buy CPM Traffic, use public references to clarify terminology, traffic-quality controls, measurement and advertiser responsibilities; campaign-specific policies, laws, contracts and review requirements still take precedence. - [IAB Tech Lab OpenRTB standards](https://iabtechlab.com/standards/openrtb/) - [IAB programmatic advertising resources](https://www.iab.com/topics/programmatic/) - [MRC invalid traffic guidance](https://mediaratingcouncil.org/standards-and-guidelines) - [FTC truth-in-advertising principles](https://www.ftc.gov/business-guidance/advertising-marketing) Related guides ## Continue the media plan ### [Cpm Ad Network](https://froggyads.com/cpm-ad-network/) Review the established FroggyAds pillar for this topic. ### [Buy PPV Traffic](https://froggyads.com/buy-ppv-traffic/) Buy PPV traffic with clear view definitions, placement controls and downstream measurement so paid views can be evaluated against real campaign value. ### [Buy CPV Traffic](https://froggyads.com/buy-ppv-traffic/) Buy CPV traffic with a documented view event, placement controls and post-view measurement for video, pop and other view-priced campaigns. Start with a controlled test ## Launch a measurable buy cpm traffic campaign Choose a format, define the accepted outcome, verify tracking and use source-level evidence to decide what receives more budget. [Create My Free Account ](https://premium.froggyads.com/#/signup)Continue your research ## Related FroggyAds resources Use the resources below to move from Buy CPM Traffic to the next buyer decision: compare relevant platforms, ad formats, markets, targeting, pricing or measurement. [**Digital advertising resources from FroggyAds.**Browse FroggyAds resources for ad formats, targeting, traffic quality, campaign optimization, verticals and guides.Open resource →](https://froggyads.com/resources/)[**Buy CPC Traffic**Learn how to buy and test cpc traffic with source-level controls with FroggyAds. Plan targeting, conversion tracking, source decisions and.Open resource →](https://froggyads.com/cpc-ad-network/)[**Buy CPI Traffic**Buy CPI traffic with mobile attribution, install validation and post-install quality controls rather than optimizing to inexpensive installs.Open resource →](https://froggyads.com/buy-cpi-traffic/)[**Buy CPL Traffic**Buy CPL traffic with a precise lead definition, validation rules, consent requirements and source-level reporting for measurable lead.Open resource →](https://froggyads.com/buy-cpl-traffic/) Search intent and buyer decision ## Buy CPM Traffic: the buyer task this URL owns Use Buy CPM Traffic when the immediate task is to buy and optimize paid traffic against accepted business outcomes. For performance-focused advertisers, the useful output is a documented media decision rather than another broad advertising overview. The nearest related FroggyAds page is [Cpm Rates In Uk](https://froggyads.com/cpm-rates-in-uk/); this URL keeps ownership of the distinct task to buy and optimize paid traffic against accepted business outcomes. For the Buy CPM Traffic decision, campaign objective, audience targeting, source quality, audience and market fit are the useful operating concepts. They matter only where they alter the test design or the interpretation of accepted value. | Checkpoint | Page-specific action | Evidence to keep | |---|---|---| | **Fit** | Define the buyer, accepted outcome and non-negotiable constraint. | Retain evidence specific to Buy CPM Traffic and its accepted outcome. | | **Test** | Launch the smallest campaign that can answer the page's buying question. | Retain evidence specific to Buy CPM Traffic and its accepted outcome. | | **Decision** | Keep, cap, exclude or expand from accepted-outcome evidence. | Retain evidence specific to Buy CPM Traffic and its accepted outcome. | **Hypothetical calculation:** if a controlled campaign for buy cpm traffic spends USD 100 and produces 4 accepted conversions, accepted CPA is USD 100 / 4 = **USD 25.0**. Replace the inputs with your own campaign economics; this is not a FroggyAds performance claim. FroggyAds gives performance-focused advertisers a self-serve way to act on the Buy CPM Traffic decision: configure the traffic test, preserve source-level reporting and scale only after the accepted outcome supports the next step. [Create your free FroggyAds account](https://premium.froggyads.com/#/signup). ### Buy CPM Traffic transparent campaign example **Hypothetical example:** if a controlled Buy CPM Traffic test spends USD 125 and produces 4 accepted outcomes after the agreed review window, accepted CPA is USD 125 ÷ 4 = **USD 31.25**. Replace these inputs with your own accepted event, attribution window and economics; this is a transparent calculation example, not a FroggyAds result claim. Direct answer ## Buy CPM Traffic — what matters first Buy CPM Traffic is most useful when it helps a buyer decide whether this option fits the buyer's acquisition workflow. Define the accepted outcome first, then use targeting, budget and source-level evidence to decide what deserves more spend.