reduction in the promotional rates. maybe a reduction in rewards programs. reporter: that s already happening. roger found out his citi bank credit card was raising his interest rate for future purchases from 18.99% to 29.99%. they said it was due to no fault of my own. reporter: he was late with two payments in his 30-year history, before he received the notice of his future increase. so what was it like opening that letter from a lender you had worked with for 30 years and they re telling you they re going to jack up your interest rate? you know, i think this now, it is a faceless, compassionateless, exploitive institution. reporter: for its part, citi bank says, quote, price increases are necessary given the doubling of credit card losses and regulatory changes. kathleen has had to opt out of three credit cards because of impending interest rate hikes. it was scary for me because i work two jobs, i don t have a