Who doesn't love free money? Nobody, that's who. And while technically Richard Wiseman's latest collection of guaranteed bets will cost you friendships, relationships, and maybe even your job, the satisfaction of one-upping everyone you know makes it still totally worth it.

Of course, by now you've probably already alienated most of the people you know with these bets. So you might want to consider finding yourself a small folding table, and hitting the road with this newfound arsenal of cons. There's no shame in a life of grifting, right?