If you travel, make sure the card is accepted worldwide and can give you cash advances if you need them. And check the policy on international purchases—some charge extra fees. Sometimes your agreed-upon APR (variable or fixed) is only as good as your timely payments. If you’re late, that agreement may be void—percentages can get tacked on, and fees added. See how long you have to make a payment. How is the minimum payment due calculated? Some are flat fees and some are percentage-based. What’s the grace period? Do they offer purchase/fraud protection? If you have an issue, can you make a local phone call to easily get it resolved? Don’t take anything for granted.