How do I choose the right cards for me? While it's tough to pick the perfect card for every situation, we have some suggestions based on common traveler profiles to point you in the right direction. These guidelines are especially useful if you're a travel novice and just want to earn points through credit card spending. PurchasePower Rankings: Which cards have the highest point earning power and which awards are most efficient? We created an analysis of the most efficient uses of points for people who want to earn points primarily by using a credit card, summarized in a chart. It doesn't apply to everyone's habits, but learn more about the numbers here. People looking for detail can download an Excel spreadsheet with adjustable calculations. How do I know if a card is worth the annual fee? We give you a simple test to help gauge whether the card you're planning to use will be worth the annual fee Our most useful travel knowledge sites   We are addicts of the latest in travel knowledge. There's so much going on, no single person or group can really keep up, that's why we rely on the best travel knowledge sites, that combine expert journalists and the input of active travelers. We share them and tips on how to best use them here.