There is no question that the sign-up bonus amount can play a big role in whether or not you sign up for a new credit card.

A credit card sign-up bonus is generally worth hundreds of dollars in free travel or cash back. It's how the best credit cards compete for your business. But what happens if you want to cancel the ...

Find out the ins and outs of credit card benefits like cellphone protection, ticket presales, and dining credits -- and what to look for instead.