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Credit Card Check

Learn how to choose the best credit card to help you save while you spend.

Credit card issuers are getting drastic with their plastic—raising interest rates, cutting spending limits and becoming stingier with rewards. So, it’s important to choose the best card to help you save while you spend.

If you carry a balance, for instance, that may mean choosing a card with a lower interest rate. If you’re a globetrotter, perhaps you’ll appreciate frequent-flier miles or hotel points. Or maybe you just want to pad your pockets with the best cash-back card.

To help you find a good match, let do the math. Just answer some questions about your credit card-use habits—such as how much you spend, what items you typically buy (gas, groceries, etc.) and whether you regularly pay your balance in full—and the website searches its database of more than 200 credit cards to show you how much, in real dollars, you can save on a particular card. The service is free. “We get paid by our retailer partners if you decide to sign up for new service,” explained CEO Peter Pham.

Bill Shrink also automatically monitors rate information and alerts you via e-mail if the terms on your cards change, sometimes even before you receive your bill and see the change.

Sid Kirchheimer is the author of "Scam-Proof Your Life" (AARP Books/Sterling).