Citi Custom Cash Card

The Citi Custom Cash Card has a clever trick up its sleeve: it automatically figures out your single highest spending category each billing cycle and pays you 5% back on up to $500 in purchases there, then 1% on everything else. You never rotate categories manually or activate anything. The card does the math for you.

That 5% earns on a rotating cast of eligible categories including restaurants, gas stations, grocery stores, select travel, select transit, select streaming services, drugstores, home improvement stores, fitness clubs, and live entertainment. If one month you are putting most of your spending at restaurants and the next at the grocery store, the card adjusts automatically. It is the rare combination of high-reward earning and zero maintenance.

You should get this card if you have a dominant single spending category that shifts seasonally, if you want a set-it-and-forget-it way to earn 5% back, or if you pair it with a flat-rate card like the Double Cash to cover everything outside the top category. Many people hold both Citi cards and pair them with a Strata Premier to pool all earnings as ThankYou Points for airline transfers.

Skip it if your spending is too scattered to consistently hit $500 in any one category, because you will mostly earn 1% on everything else — a mediocre rate. Also skip it for international travel; the 3% foreign transaction fee will eat into those 5% gains quickly. The Chase Freedom Flex is the most direct competitor, offering 5% on rotating quarterly categories plus a broader everyday earning structure.

The $500 per billing cycle cap on the 5% category is the key pitfall. Heavy grocery spenders going through $800 or $1,000 a month will see diminishing returns. And if you are a power spender in multiple categories simultaneously, you may prefer a card with broader bonus multipliers. The extended warranty benefit was recently added back and is welcome, but traditional purchase damage protection is no longer on the card. Like all Citi cards, the 48-month bonus eligibility clock resets from the date your bonus posts, not your approval date.