use credit cards wisely

    By Martha C. White

    | 1:00PM 8/31/2010
    It's an experience nearly all shoppers encounter: You pile your purchases up at the register and the cashier asks if you'll be paying with that store's credit card. If the answer is no, they'll ask in nearly the same breath if you'd like to open up an account. They might even offer you 15% off that...