A smarter way to check out
You don’t have to travel to earn travel‑size rewards. The right sequence at checkout—buying the right gift cards in the right place, then routing purchases through a portal—can turn weekly errands into 10%+ effective returns in points or cash back.
Here’s a clean, repeatable system you can run year‑round with cards many readers already carry.
Why this works now
Issuers have doubled down on category earn rates, while retail portals quietly sweeten the pot. Office‑supply 5x earners are still alive and well; dining and grocery multipliers remain rich on premium mid‑tier cards; and airline portals routinely post 2–6 miles per dollar.
Concrete examples:
- Chase Ink Business Cash earns 5% back at office supply stores (and on internet/cable/phone) on up to $25,000 per account year, making Staples/Office Depot prime spots to buy third‑party gift cards you’ll actually use. (Chase lists office supply stores as a 5% category.) ([creditcards.chase.com](https://creditcards.chase.com/business-credit-cards/ink/cash?utm_source=openai))
- American Express Gold earns 4x Membership Rewards at U.S. supermarkets (up to $25,000 per calendar year) and 4x at restaurants worldwide—perfect for grocery‑lane gift cards and dining plays. (Per Amex’s Gold card guide.) ([americanexpress.com](https://www.americanexpress.com/en-us/account/get-started/gold/earn-rewards?utm_source=openai))
- Citi Custom Cash automatically pays 5% on your top eligible category each billing cycle, up to $500 in spend—useful for flexing between restaurants, transit, or home improvement when your month leans that way. (Per Citi’s product page.) ([citi.com](https://www.citi.com/credit-cards/citi-custom-cash-credit-card?afc=161&category=view-all-credit-cards&utm_source=openai))
- Shopping portals like United MileagePlus Shopping layer extra miles on top of your card earn, both online and often for in‑store pickup. Portal aggregators such as Cashback Monitor track which portal is best at any given moment. ([shopping.mileageplus.com](https://shopping.mileageplus.com/es____.htm?utm_source=openai))
The checkout stack, step‑by‑step
Think of each purchase as two decisions: where to earn the base multiplier, and how to add a second multiplier.
1) Buy the currency you’ll spend anyway—at a bonus spot. Suppose you regularly order takeout from DoorDash and shop Home Depot. Instead of paying DoorDash or Home Depot directly, buy their e‑gift cards first:
- Office‑supply route: Use Ink Business Cash at Staples/Office Depot to buy a $200 DoorDash or Home Depot gift card at 5%. That’s 1,000 Ultimate Rewards points. ([creditcards.chase.com](https://creditcards.chase.com/business-credit-cards/ink/cash?utm_source=openai))
- Grocery route: Use Amex Gold at a U.S. supermarket for a $200 Airbnb or Uber gift card at 4x—800 Membership Rewards points. ([americanexpress.com](https://www.americanexpress.com/en-us/account/get-started/gold/earn-rewards?utm_source=openai))
2) Add a portal multiplier when you actually spend. Before placing your order with that merchant, click through an airline portal. If United’s portal is paying 3 miles per dollar at a retailer this week, your $200 redemption could yield ~600 miles—on top of the 5% or 4x you already booked when buying the gift card. United’s portal explains the mechanics (log in, allow cookies, click through) to ensure tracking. ([shopping.mileageplus.com](https://shopping.mileageplus.com/es____.htm?utm_source=openai))
3) Keep your options open. If you prefer Membership Rewards to airline miles, Rakuten lets eligible Amex cardmembers receive Membership Rewards instead of cash back for portal earnings—so your portal layer can be the same points you already collect on your Amex Gold. ([rakuten.com](https://www.rakuten.com/american-express?utm_source=openai))
The math on a single weekend errand run can be eye‑opening. Example: Buy a $200 Home Depot e‑gift card at an office‑supply store with Ink Business Cash (1,000 UR). Later, click through United MileagePlus Shopping at 3 miles per dollar and place a $200 pickup order (600 miles). Effective stack: 5x UR on the acquisition + ~3x airline miles on the spend itself—while still capturing sales and coupons the portal applies.
Practical guardrails and pro tips
- Respect fees: Skip variable‑load Visa/Mastercard gift cards unless the fee is offset by a strong multiplier or a store promo. Branded gift cards to retailers, travel, delivery and fuel typically have no fees.
- Track merchant codes: The Amex Gold’s 4x works at U.S. supermarkets—not wholesale clubs or big‑box stores that don’t code as “supermarkets.” The Chase Ink Business Cash’s 5% is specific to office supply stores. Issuer pages spell out these definitions. ([americanexpress.com](https://www.americanexpress.com/en-us/account/get-started/gold/earn-rewards?utm_source=openai))
- Trigger portal tracking: Always log in and click through from the portal, enable cookies, and avoid coupon extensions that may overwrite the click. United’s portal lists simple steps to ensure miles post. ([shopping.mileageplus.com](https://shopping.mileageplus.com/ts____.htm?utm_source=openai))
- Match category to month: Let Citi Custom Cash float to your heaviest category each billing cycle (restaurants one month, transit the next). Hitting the $500 5% cap precisely can be a fun optimization puzzle. ([citi.com](https://www.citi.com/credit-cards/citi-custom-cash-credit-card?afc=161&category=view-all-credit-cards&utm_source=openai))
Cards that pair well with this play
You don’t need a dozen cards—just roles that complement each other.
- Chase Ink Business Cash: Keep it for the 5% office‑supply lane and utilities; the gift‑card aisle is your friend. If you also hold a Sapphire‑level card, you can combine points in Ultimate Rewards for travel partners.
- American Express Gold: Lean on 4x at U.S. supermarkets to “pre‑buy” everyday spending via branded gift cards; 4x dining covers the nights you skip cooking. Amex frequently enhances merchant offers, which can stack with the portal layer.
- Citi Custom Cash: A flexible 5% safety valve each billing cycle—set‑and‑forget if you’re dense in one category, or steer spend to whichever of its eligible categories you’ll naturally exceed that month.
Welcome offers change often, but these three tend to swing between strong and very strong. If you’re eyeing an application, check the issuer page for the current bonus and confirm you can hit the spend without forcing purchases.
Where SuperPay makes this effortless
This system works even better when the app does the memory work:
- Category tracking: SuperPay automatically monitors rotating and fixed bonus categories, flags what codes as “supermarket” vs “warehouse club,” and reminds you where 5x or 4x applies before you step into a store.
- Smart Card Picker + real‑time notifications: Walk into Staples, get a push that says “Use Ink Business Cash (5% here).” Step into a grocery store, see “Use Amex Gold (4x).” It’s the right card, in the right place, at the right moment.
- Receipt Scanner: Snap a receipt from that $200 gift card run. SuperPay shows exactly what you earned—and what an alternate move (different store, different card, portal change) would have earned instead, so your next run is even tighter.
Your next move
Try this on your next errand run: buy a single branded e‑gift card at a bonus‑earning store, then place the order through a portal. Two clicks, two multipliers. Do it once and you’ll never go back to one‑layer shopping.
Download SuperPay on the App Store and start optimizing your rewards today.