Well, they watch 30 videos basically. Just do something else and hit the video button until they run out I'd imagine. Some people have said they get 50+.

You get it from prize money, and playing games in the cups. Either that or you buy it. Your stadium will provide some income, but it's negligible and you need the stadium full to get your possession bonus so you can't increase size or anything too mucm (at the beginning at least).