With additional rewards in home improvement categories, 0% introductory APR periods that help you finance big purchases with out interest, and beneficiant sign-up bonuses, credit cards can stretch your house dollars additional. Year after yr, the Citi Double Cash® Card has been a best choice amongst flat-rate cash-back cards. You earn 2% cash again on every buy — 1% if you purchase one thing and 1% if you pay it off. There’s no 0% intro period for purchases and no bonus categories, but the high rewards rate more than makes up for the dearth of bells and whistles. Today, DOE…