How to maximize cashback on everyday purchases: 7 ways that actually add up

Key takeaways

• You can stack cashback credit cards, store loyalty programs, and rewards apps on the same purchase to earn multiple layers of return.
• Choosing a category-specific credit card for groceries and gas can earn 3 to 6% back on your biggest recurring expenses.
• Snapping receipts with Fetch turns every grocery run into a second earning opportunity on top of your credit card rewards, with points redeemable for gift cards from 600+ brands.
• The gift card hack (buying gift cards at grocery stores) lets you earn grocery-rate rewards on non-grocery spending.
• Timing matters: activating offers before you shop and checking rotating bonus categories each quarter can double your effective return.

Introduction

Most people settle for 1 to 2% back on their purchases and call it a win. But here’s the thing: you’re leaving real money on the table every single week. The average household spends over $78,000 per year on essentials like groceries, gas, housing, and recurring bills. At just 1%, that’s pennies. At 5% or more? Now we’re talking real rewards, just for buying the stuff you were going to buy anyway.

The secret isn’t finding one perfect cashback app or one magical credit card. It’s stacking. When you layer multiple earning methods on top of each other, every trip to the store, every online order, and every monthly bill works harder for you. The seven methods in this guide each add a layer of return, and the best part is they all work together. Credit cards, loyalty programs, browser extensions, rewards apps like Fetch, gift card strategies, bill optimization, and smart stacking can turn your routine spending into a steady stream of rewards. For a deeper breakdown of the top rewards-earning apps, here’s our full rewards app comparison.

No extreme couponing required. No changing how you shop. Just a few one-time setups and a habit or two.

1. Pick the right credit card for your biggest spending categories

If you’re only using one flat-rate card for everything, you’re starting behind. Category bonus credit cards offer 3 to 6% back in areas where you spend the most, like groceries, gas, and dining. Compare that to a generic 1.5% card, and the difference adds up fast. Cardholders earned $47.5 billion in rewards in 2024 alone, so the money is real.

Here’s a simple setup that covers most households:

• One category card for groceries and gas (look for cards offering 3 to 6% in those categories). Not sure where to start? Here’s how to find the best credit card for groceries.
• One flat-rate card (1.5 to 2% on everything else) for purchases that don’t fall into a bonus category

Some cards also offer rotating 5% bonus categories each quarter (think Amazon one quarter, grocery stores the next). These are great for stacking, but there’s a catch: you have to activate the bonus each quarter, or it drops back to 1%. Set a calendar reminder. Seriously, your future self will thank you.

One golden rule to remember: always pay your balance in full every month. With the average credit card APR sitting at around 21%, credit card interest rates will wipe out every cent of cashback you earned and then some. Rewards only work when you’re not paying for the privilege of earning them. You can also learn how to use credit cards to save on groceries more strategically.

2. Stack your store loyalty program on every trip

Here’s a layer that costs exactly zero dollars and takes about two minutes to set up. Most grocery chains and drugstores offer free loyalty programs with digital coupons, member pricing, and sometimes fuel point rewards. Research shows 4 in 10 Americans now exhibit deal-driven behaviors across categories, and loyalty programs are a key part of that shift.

The key insight: your loyalty card stacks with your credit card. They don’t cancel each other out. The cashback comes from your card issuer, and the loyalty discount comes from the store. Two different sources, same receipt. Your grocery store loyalty app might save you $3 to $8 per trip through digital coupons alone, and stores like Kroger even throw in fuel points that knock cents off every gallon of gas. That’s a third layer from one card swipe and one barcode scan. In fact, 86% of loyalty program participants rate financial rewards as important, so you’re in good company.

Just clip your digital coupons before you head out (a 30-second tap session that has no business paying off as well as it does), and let the rewards pile up alongside your credit card return. For more grocery-specific strategies, here’s how to save $50 a month on groceries.

3. Use cashback browser extensions for online shopping

When you shop online, a browser extension can quietly add another 1 to 15% back at participating retailers. These work because the cashback comes from the retailer through the extension, which means it stacks perfectly with whatever credit card you use.

Most browser extensions make it easy. A small pop-up appears at checkout when an offer is available. Click to activate, complete your purchase, and the cashback shows up in your account. It’s about as close to free money as you’ll find online.

One thing to keep in mind: running multiple cashback extensions at the same time can cause them to override each other. Pick one primary extension and stick with it. Consistency beats complexity here.

4. Scan every receipt with a rewards app

This is the layer most people overlook, and it might be the easiest one to add. Receipt scanning apps let you earn points simply by submitting your receipt after you shop. No special stores. No activating offers ahead of time. Just snap and earn.

Fetch is built around this idea. You snap a receipt from any store (grocery, convenience, restaurant, home improvement, you name it) and earn Fetch Points on everything you buy. There’s no minimum spend, no clipping, and no limitations on which stores count. Every receipt earns something.

But the real value goes beyond the baseline. Here’s how the full earn loop works:

• Snap receipts from any store to earn points on everything you buy
• Check Offers in the app for bonus points on brands you’re already buying (think extra points on your favorite cereal, coffee, or snacks)
• Shop through the app for per-dollar points on eligible online purchases
• Play games from partner studios to pick up even more points

All of those points pool into one balance, which you redeem for gift cards from over 600 brands, including Starbucks, Target, Amazon, and many more. You can learn more about how to earn gift cards through the app. Your Tuesday grocery receipt just became your next coffee treat.

Here’s what makes this layer powerful for stacking: it sits on top of everything else. You can pay with your cashback credit card, scan your store loyalty card, and then snap the receipt with Fetch. Three layers, one trip, zero extra spending.

And yes, Fetch is completely free to download and use. No subscription, no hidden fees.

5. Try the grocery store gift card hack

This one is a favorite among people who want every dollar to do double duty, and for good reason. If your credit card gives you 5 to 6% back at grocery stores, you can use that rate on purchases that would normally only earn 1 to 2%.

The strategy: buy gift cards at the grocery store for places you already shop. Amazon, Target, Home Depot, gas stations. When your credit card processes the transaction, it sees a grocery purchase and applies your elevated rate. A $100 Amazon gift card bought at the grocery store earns you $5 to $6 back instead of the $1 to $2 you’d get buying directly from Amazon.

You can even stack this with receipt scanning. Snap that grocery receipt and earn points on the same trip. Two layers on a single gift card purchase.

A word of caution (because we’re being real here): only buy gift cards for stores you were already going to shop at. The point is to redirect spending you’d do anyway through a higher-reward channel. Buying gift cards you don’t need defeats the whole purpose.

6. Put your recurring bills on a rewards card

Here’s an easy win that most people completely forget about. Those monthly bills you’re paying anyway (streaming subscriptions, phone service, internet, gym memberships, insurance premiums) can all go on a cashback credit card.

These are fixed expenses. You’re paying them no matter what. Putting them on a rewards card is pure upside.

A quick gut-check before you switch: some utility companies and billers charge a convenience fee for credit card payments. If that fee is higher than your cashback rate, skip it for that particular bill. But for subscriptions and services that accept cards at no extra cost? There’s no reason not to earn on them.

Set up autopay on your best rewards card once, and those monthly bills start building your points balance on their own schedule. Your Netflix habit and phone bill just started pulling their weight. Not a bad deal.

7. Stack your methods for maximum return

Now let’s see what happens when you put all these layers together. Take a $150 grocery trip as an example:

• Layer 1: Credit card cashback (5%) = $7.50 back
• Layer 2: Store loyalty digital coupons = roughly $3 off
• Layer 3: Receipt scanning with Fetch = points toward your next gift card

That single trip just earned you over $10 in combined value, compared to $1.50 if you were only using a basic 1% card. And you didn’t change what you bought, where you shopped, or how long it took. For more stacking inspiration, check out this Walmart receipt hack that shows the method in action.

Scale that up across a full month. If your household spends $1,500 on essentials and you consistently stack even three or four of these methods, you’re looking at $40 to $60 or more back every month. That’s $480 to $720 a year. Enough for holiday gifts, a weekend trip, or a healthy rainy-day fund that came from spending you were doing anyway.

The best part? Most of the setup is one-time. Pick your credit cards, download your apps, scan your loyalty card, and you’re set. After that, the only ongoing habit is snapping a receipt and clipping a few digital coupons. Hardly a sacrifice.

You’re already spending the money. This is just making sure you get something back every time.

Download Fetch and start earning toward your next free gift card.

Frequently asked questions

Can you use multiple cashback apps on the same purchase?

Yes, and that’s the whole idea behind stacking. As long as the apps use different earning methods (credit card rewards, receipt scanning, store loyalty programs, browser extensions), they don’t cancel each other out. The rewards come from different sources, so they layer on top of one another.

How much can you realistically earn by stacking rewards methods?

A household spending around $1,500 a month on essentials can earn $30 to $60 or more per month by stacking credit card rewards, loyalty programs, and receipt-scanning rewards apps like Fetch. That adds up to $360 to $720 a year, enough for holiday gifts, a weekend getaway, or a solid boost to your rainy-day fund.

Are cashback apps actually free?

Most cashback apps are free to use. Fetch is a rewards app that’s also completely free: you snap receipts from purchases you’re already making and earn Fetch Points toward gift cards. There’s no subscription, no catch, and no minimum spend required.

What’s the difference between cashback apps and receipt scanning apps?

Cashback apps typically require you to activate specific offers or shop at specific stores to earn a percentage back. Receipt scanning apps like Fetch take a different approach: you snap your receipt to earn points on any purchase from any store, plus bonus points on specific brands. The two types are designed to work together, not replace each other.

Do you have to activate offers before you shop?

It depends on the method. Credit card rotating categories need quarterly activation. Store loyalty coupons need to be clipped digitally before your trip. But receipt scanning through Fetch works on every receipt regardless, so you always earn something even if you forget to activate anything else.