Starting and becoming a YouTube channel takes a lot of time, effort, persistence, and regularly money. You have to create good, compelling videos, and that they ought to catch an audience at the right time. If you’re lucky, something will go viral and will end up on peoples’ associated videos and recommended videos for months. If you’re not lucky, you’ll languish with sub 100 view videos for the indefinite future, hoping to be found through sheer volume of content.
With 300 500 hours worth of video uploaded to YouTube literally every minute of each day, you’re unlikely to have the quantity to flood the market such as you want.