If someone named "Charles Williams" contacts you to be a mystery shopper for Shop'nChek, run away fast. It's a scam. Involves "evaluating" Western Unions and MoneyGrams. You get a check by overnight, cash it and forward most of the cash to someone else via one of the above services. Then you supply an "evaluation" of the Western Union or MoneyGram. I'm sorry to say I got scammed. A cashiers check or whatever it was wasn't good, and I'm holding the bill for $1, 990, in the form of a debit on one... read full review »