This isn't really cheating, is it? But even if it were, I don't think anyone of us is beneath it, if it means having a ton of fun and winning a few bucks in the process.
Just because you don't currently have a habit of making bets doesn't mean you can't start now. This video by Richard Wiseman of Quirkology will help you get off to a winning start by showing you ten new bets that you will always win--guaranteed. Some people probably already know how some of these work, but check out the clip anyways. Who knows? You might learn a thing or two that you can try out on your friends the next time you guys meet.
From glass tricks to simple logic, Rich gives you the 411 on how to pull them off and get it right.