It shouldn't come as a surprise that a deep discount retail chain would do well in this economy. Strapped consumers have become more frugal than ever as they've seen their wealth crushed by the housing market and, to a lesser extent, stock prices. Businesses with names like Dollar Tree (Nasdaq:DLTR), 99 Cents Only (NYSE:NDN), and Family Dollar (NYSE:FDO) have all found themselves in sweet spots in this new economic landscape.