Yes they do ads pay them when a person clicks the ads or there video the person gets payed 25 cents per click or More! Plus if you work with YouTube they pay you only the ones that have alot of views and subs get paid for there jobs doin videos
Yes, YouTube Partners. I'm pretty sure anyone can apply to be a YouTube partner but only the popular people get picked, the people with the highest number of views on their videos. And those people get paid more.