Do You Really Want to Be a Good Tipper?

Ron Mains: I'm a big fan of Curb Your Enthusiasm. He says in one episode, Larry doesn't like the 18% tip and so he tries to get his friends to give him more. But it comes back to bite him because he needs the waiter to do something for him. The challenge podcast is out every Friday at 8 p.m. ET on CNN.com/Heroes.