If you pay cash for everything that activity won't show up as part of your credit score. (freefrombroke.com)
You have fewer options with American since it isn't part of a credit card rewards program. (rewardexpert.com)
The bad news is that the 30 - day late payment will become a historical late payment and remain as part of your credit history for 7 years. (rebuildcreditscores.com)