back. when it does, it might be very high, so know the interest rate after the introductory period and plan accordingly what does 0 interest mean on a credit card? how does 0% interest credit card work? what is the advantage of having a credit card? how do you avoid paying interest on a credit card? why am i not being charged interest on my credit card? how can i avoid paying interest on my car loan? is it better to keep a balance on your credit card? what happens if you make the minimum payment on a credit card? 