These days you can't be too careful. Although everyone knows that emails from Nigeria are most likely scams, you may not consider some of the rip offs a bit closer to home. Here are the 25 biggest rip off that you've probably been tricked into buying.
A confidence trick is an attempt to defraud a person or group after first gaining their confidence, used in the classical sense of trust. Confidence tricks exploit characteristics of the human psyche such as dishonesty, honesty, vanity, compassion, credulity, irresponsibility, na´vetÚ and greed. (source : wikipedia