Rewards credit cards often carry higher interest rates and fees than traditional cards, so they don't make financial sense for everyone. Here's a look at how smart rewards cardholders rack up points or miles-without racking up debt.
Now that summer is nearly over, you can start planning for next year's big vacation by racking up airline miles. We spoke with one expert who scored 250,000 miles in a 12-month period by opening just three cards. But his strategy isn't for everyone.