Free (legal) movies. Most are stuff I don't want to see anyway, but every once in a while a diamond in the rough pops up
Edit: Like someone else mentioned, YT is my primary entertainment source for a few reasons, so I've definitely gotten my money's worth. I wouldn't recommend everyone get it, but I'm happy with my decision
Lol giving away money at all, especially to large monopolistic corporations like Google. They don't need my money, they already have plenty