Factory stores' price markdowns are alluring, but those 'deals' are often less than they seem. Getting your money's worth takes a little legwork. Americans have a long-standing love affair with bargains. Look no further than the warehouse clubs, discount stores and outlet malls that carpet the country. But in a persuasive new book, "Cheap: The High Cost of Discount Culture," Ellen Ruppel Shell, a correspondent for The Atlantic, describes the web of marketing and manipulation that discount retailers use to drain cash from your wallet. Outlet malls are among the worst offenders, Shell says, with their glittering promises of "the...