Just put a recurring monthly charge through it and you'll be fine. That's what I do with my BofA card, and they haven't closed or AAed me.
FICOs: EX: 800, EQ: 813, TU: 807
Bank of America Privileges with Travel Rewards Visa Signature (EMV) - $23,200 CL
Chase Sapphire Preferred Visa Signature - $12,700 CL
Chase United MileagePlus Club World Elite MasterCard - $25,000 CL
J.P. Morgan Ritz Carlton Visa Signature - $23,500 CL
