The default buy-in for the site is about $10, which is perfectly reasonable for a game between friends. I've almost never played a game where the pot exceeded $100 (we had 6 people in a $20 buy in once, I think) and most of my friends have never played a game where having a $100 denomination would be any use at all.
This is something that most amateurs want, it's OK if pros don't want it.
This is something that most amateurs want, it's OK if pros don't want it.