Just about everything is a little bit of a racket. Hell, if everything was sold at cost, there'd be no reason for anyone to run a business. It's when businesses use brand sway and deceitful practices to drive insane markups that things start to seem unfair and hairy. Even if you are spending a lot on movie theater sodas and designer eyeglasses, at least you're not following these bits of the dumbest financial advice people have gotten. On the other side of it, here are reckless uses of money that people didn't regret at all.