Turn everyday spending into bigger rewards by choosing the right card for each purchase.
October 14, 2026
Cash back credit cards pay you a percentage of what you spend. But not every card has the same rewards structure, and the card that earns the most for your neighbor may not earn the most for you. Here's what you need to know about how cash back categories work, and how to match a card (or a pair of cards) to your spending so you keep more of every dollar.
Cash back is a type of reward you earn when you make purchases with a rewards credit card. Many issuers run rewards programs that return a percentage of each purchase to you as cash, usually as a statement credit, a direct deposit, or a check.
Some shopping loyalty programs and debit cards also offer cash back, but this guide focuses on cash back credit cards. If you want to get rewarded for purchases you're already making, a cash back card is one of the simplest ways to do it.
Every time you use your card, you earn back a portion of the amount spent. Some cards earn cash back directly (for example, 2% back on every purchase). Others earn points or miles that you can redeem for cash back, a statement credit, gift cards, or travel. If you're not sure how those currencies compare, our guide to credit card points, miles, and cash back breaks down the differences.
How much you earn depends on your card's rewards structure and your spending habits. Pick well, and a cash back card can pay you back meaningfully for regular spending. To compare today's top options, see our list of the best cash back credit cards.
Most cash back cards earn rewards in one of two ways:
Flat-rate rewards: These cards earn cash back at a fixed rate no matter what you buy. A flat-rate 2% card pays 2% whether you're paying for dinner, filling your gas tank, or buying movie tickets. The Bank of America® Unlimited Cash Rewards card, for example, earns unlimited 1.5% cash back on every purchase (2% for new cardholders in the first year) with a $0 annual fee. (See Rates and Fees) For a head-to-head look at a flat-rate card versus one with bonus categories, see our Chase Freedom Unlimited vs. Wells Fargo Active Cash comparison.
Bonus category rewards: These cards earn an elevated rate in select categories and a lower base rate on everything else. For example, a card might earn 3% back on dining and travel but only 1% on other purchases.
Some cards blend the two, pairing a higher base rate with a few bonus categories. For more ways to squeeze value out of any card, see our guide to maximizing your credit card rewards.
Flat-rate cards | Bonus category cards | |
|---|---|---|
How you earn | Same rate on every purchase | Higher rate in select categories, lower base rate elsewhere |
Best for | Varied, unpredictable spending | Heavy spending in one or two areas |
Effort required | None | Track categories, caps, and sometimes activation |
Watch out for | Lower ceiling on earnings | Spending caps and category rules |
If you're considering a card that earns bonus rewards, these are the categories you'll see most often:
Many rewards cards pay extra on restaurant spending, commonly around 3% or 3X points. Takeout usually counts, and many cards include food delivery services too, though this depends on the card's terms and how the merchant codes the purchase. When points are redeemed for cash back, they're typically worth about one cent each.
Grocery rewards commonly run from about 3% to 6% or 3X to 6X points. The highest rates often come with an annual fee or a spending cap. For example, the Blue Cash Preferred® Card from American Express has great rewards: Earn 6% cash back at U.S. supermarkets on up to $6,000 per year in eligible purchases (then 1%), 6% cash back on select U.S. streaming subscriptions, 3% cash back at eligible U.S. gas stations and on transit (including taxis/rideshare, parking, tolls, trains, buses and more) purchases and 1% cash back on other purchases. Cash Back is received in the form of Reward Dollars that can be redeemed as a statement credit and at Amazon.com checkout.. It has a $0 intro annual fee for the first year, then $95 annual fee. Note that superstores and warehouse clubs often don't count as grocery stores unless the card says so. Terms apply.
If you drive a lot for work or take frequent road trips, a gas rewards card may make sense. It's common to earn around 3% or 3X points on gas. Some cards offer up to 6%, but that rate may come with an annual fee or last only for a limited time. Points are generally worth about one cent each when redeemed for cash back.
Cards that reward travel typically earn 3% to 5% cash back or 3X to 5X points. Keep in mind that some cards only pay the elevated rate on bookings made through the issuer's own travel portal, like Chase Travel or Citi Travel. If you’d rather not book through a portal, a flat-rate travel card can be simpler. The Bank of America® Travel Rewards card earns 1.5 points per $1 on all purchases, with a $0 annual fee and no foreign transaction fees. When redeemed for cash back, you can generally expect about one cent per point. If travel is a big part of your budget, compare our top picks for travel credit cards.
Some cards offer bonus rewards in categories that change every quarter. You might earn 5% on gas in one quarter and 5% on dining and groceries the next. These cards usually require you to activate each quarter's categories and cap the bonus rate. For example, the Chase Freedom Flex® pays 5% on up to $1,500 in combined bonus-category purchases each quarter (then 1%) once you activate. If you don't mind tracking a calendar, rotating categories can pay off for varied spending habits.
Some cards reward online purchases specifically, either as a fixed category or as one option among several. If most of your shopping happens online, see our guide to the best credit cards for online shopping.
Some cards let you pick your bonus category instead of following a fixed list or rotating calendar. The Bank of America® Customized Cash Rewards card, for example, lets you choose one category from gas and EV charging stations; online shopping (including cable, internet, phone plans, and streaming); dining; travel; drug stores and pharmacies; or home improvement and furnishings. Earn 6% cash back for the first year in the category of your choice. You’ll automatically earn 2% cash back at grocery stores and wholesale clubs, and unlimited 1% cash back on all other purchases. After the first year from account opening, you’ll earn 3% cash back on purchases in your choice category. Earn 6% and 2% cash back on the first $2,500 in combined purchases each quarter in the choice category, and at grocery stores and wholesale clubs, then earn unlimited 1% thereafter. After the 3% first-year bonus offer ends, you will earn 3% and 2% cash back on these purchases up to the quarterly maximum.. You can change your category once each calendar month, so your bonus can follow your spending as it shifts.
These tips can help you earn more cash back while keeping your overall finances on track.
Not every cash back card will be right for you. If your top spending categories are groceries and dining, a card that pays bonus rewards on travel isn't the best fit. Look at a few months of statements to see where your money actually goes before you apply.
Spending habits can have a big impact on the effectiveness of your credit card and should be a primary factor in determining the card you choose.
Some cards have higher cash back rates in select expense categories, so if you spend a lot in one or more purchase categories, take a look at some of those cards to optimize your spend.
If you're adding a new card to your wallet, compare welcome offers. Many cards pay a cash bonus or bonus points if you meet a minimum spending requirement within a set time, often the first three months. Earning a sign-up bonus is one of the fastest ways to boost your rewards.
Before you chase a big welcome bonus, make sure you can meet the requirements with your regular spending. If your planned spending isn't enough to hit the threshold, choose a card with a smaller welcome offer that you can realistically hit with your regular expenses.
Some cash back cards cap how much you can earn at the bonus rate. Once you hit the cap, you'll earn a lower rate, usually 1%. Caps are especially common on gas and grocery categories, so check the terms before you apply.
For example, the Bank of America® Customized Cash Rewards card applies its rewards as follows: Earn 6% cash back for the first year in the category of your choice. You’ll automatically earn 2% cash back at grocery stores and wholesale clubs, and unlimited 1% cash back on all other purchases. After the first year from account opening, you’ll earn 3% cash back on purchases in your choice category. Earn 6% and 2% cash back on the first $2,500 in combined purchases each quarter in the choice category, and at grocery stores and wholesale clubs, then earn unlimited 1% thereafter. After the 3% first-year bonus offer ends, you will earn 3% and 2% cash back on these purchases up to the quarterly maximum.
If you already keep savings or investments with a bank, its credit cards may pay you more. Bank of America's BofA Rewards program, for example, adds 10% to 75% to the rewards you earn on eligible Bank of America credit cards, depending on your tier. To join, you need an eligible Bank of America checking account. The Member tier has no minimum balance; higher tiers start at a $30,000 combined average balance in qualifying Bank of America deposit and Merrill investment accounts. For example, a card that earns 1.5% cash back would effectively earn 1.65% at the Member tier and up to 2.625% at the Premier tier.
Carrying more than one cash back card can help, especially if your spending varies. A common strategy is to use a bonus-category card for your top spending categories and a flat-rate card for everything else. We walk through specific pairings in our guide to using multiple cards to maximize cash back.
Kern explains how this can help: “You should consider having multiple cash back cards if you spend significantly higher than average in one category like dining out or entertainment. If that's the case, I'd recommend having one card with a higher rate for that category and then using a different card for everything else to maximize your cash back.”
Many cardholders redeem cash back as a statement credit or check, but that isn't always the only, or best, option. Some issuers let you use rewards to book travel through a dedicated portal, which can stretch points further on some cards. Before you redeem, compare the options and check for minimum redemption thresholds.
It's also smart to redeem regularly rather than let rewards pile up. The Consumer Financial Protection Bureau has flagged consumer complaints about rewards being devalued, expiring, or disappearing when an account closes, and found that rewards-related complaints in 2023 rose more than 70% over pre-pandemic levels.
Is cash back free money?
Cash back is essentially free if you pay your balance in full every month and your card has no annual fee. If a card charges an annual fee, compare that cost against what you realistically expect to earn to decide if it's worth it.
What are the disadvantages of cash back credit cards?
Cash back cards often come with high APRs. You can avoid interest by paying your full statement balance each month, but if you already carry a balance, the interest will likely cost you more than your rewards earn. In that case, a card with a long 0% intro APR may be the better tool until you're paid off. The BankAmericard® credit card, for example, offers 0% Intro APR for 21 billing cycles for purchases, and for any balance transfers made in the first 60 days. After the Intro APR offer ends, a Variable APR that’s currently 15.24% - 26.24% will apply. A 5% fee applies to all balance transfers. Balance transfers may not be used to pay any account provided by Bank of America.. It has a $0 annual fee and no rewards, and a 5% fee applies to balance transfers. (See Rates and Fees)
Also keep in mind that on points-based cards, redeeming for cash back can sometimes give you less value than redeeming for travel or transferring points to airline and hotel partners.
What is 5% cash back on $100?
A card that offers 5% cash back earns 5 cents for every $1 spent. If you spend $100 on eligible purchases, you'll earn $5 back. That may not sound like much, but over a year of regular spending it adds up, and it's $5 more than a card that doesn't earn rewards.
Bank of America – Customized Cash Rewards Categories & Exclusions
Consumer Financial Protection Bureau – Credit Card Rewards Issue Spotlight (May 2024)
The best cash back strategy starts with your own spending. A flat-rate card keeps things simple, a bonus-category card pays more where you spend the most, and pairing the two can cover all your bases. Watch for spending caps, only pursue welcome bonuses you can reach naturally, and pay your balance in full so interest doesn't wipe out your rewards. If you already bank with Bank of America, compare its cash back cards to see whether a relationship bonus could put you ahead.
Disclosures
Natasha is a financial writer specializing in credit cards and credit card rewards. Her work has appeared in numerous publications, including NerdWallet, The Motley Fool, and Fast Company.
