Wal-Mart's low prices don't come cheap. In fact, each Wal-Mart store employing 200 people costs taxpayers approximately $420,750 annually in public social services used by Wal-Mart workers whose low wages and unaffordable health insurance mean most of them are among the working poor. That's the finding of Everyday Low Wages: The Hidden Price We All Pay for Wal-Mart, a report by the minority staff of the U.S. House of Representatives Education and the Workforce Committee.