You’ve earned all those credit card rewards points from spending and sign up bonuses, it would be a shame to lose them. The good news is that these points typically don’t expire, but if you’re not careful, you can accidentally forfeit them. Read on to make sure that doesn’t happen. Cash back credit cards are consistent and fairly straightforward: your cash-back credits won’t expire as long as your account is open. If your card has no annual fee, there’s no reason to cancel it… Ever! There is no downside to keeping a free credit card account active–even if you rarely use it–and it will help your credit score at the same…