anvertisements that claim you can lose five pounds overnight are not to be trusted. Nor are claims that your luck will change if you send money to a certain post office box in a distant state. You should also avoid chain letters you receive in the mail that promise you large amounts of money if you will cooperate and keep the chain going. Many people are suspicious of the well-publicized million-dollar giveaway promotions that seem to offer enormous cash prizes, even if you do not try the company't product. We should always be suspicious of offers that promise us something for little or no effort or money