Common myth. You do not need to pay interest ever to have good credit. Your accounts should show activity, ie your balance on your statement should be non-zero, but you can pay off that entire balance (and thereby pay no interest) and still improve your score.
Common myth. You do not need to pay interest ever to have good credit. Your accounts should show activity, ie your balance on your statement should be non-zero, but you can pay off that entire balance (and thereby pay no interest) and still improve your score.