I've had it done to friends, mostly old WWII vets who tended toward "hyper-responsible" about "pay off a debt as soon as you can--one of them even showed me how he kept a ledger of his charges so that all he needed to fill in the blank on the check was for Posting Date to arrive.I have heard of cards canceled for none use. Since my Chase card is tied to Amazon I doubt they will want to end it but, if they do? Fine with me. I have no doubt someone will want my business. Last vehicle we bought we financed through a CU I had never heard of. Now they send me invites to take one of their cards ever month or so.