Store Credit Card Discount Could Cost You in the End

"Just about every time I check out at a department store, a friendly clerk asks,'Would you like to save 20 percent today?'" writes Kayce T. Ataiyero in the Chicago Tribune. The catch, of course, is opening a store credit card. Ataiyero consults with credit experts as to whether this a good deal or not--and why the answer in most cases is no.

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