Shopping Portal & Browser Extension Stack — 2026-05-24 to 2026-05-31

Top Portal Bonuses This Week

Capital One Shopping/Offers: 35% cashback or 20X miles at StubHub

• Portal/Extension: Capital One Shopping / Capital One Offers
• Source: Frequent Miler
• Link: Frequent Miler
• Rate/Value: 35% cashback or 20X miles (targeted rates may be higher)
• Ends: see source
• What: Capital One Shopping and Capital One Offers have boosted rates for StubHub, with 35% cashback or 20X miles available.
• Why it matters: This is an exceptional rate for event tickets and can be stacked with a Chase Sapphire Reserve StubHub credit for even greater value.

Stacking & Gift Card Plays

Newegg: Buy $500 Southwest gift cards for $480 (stack with 10x Ultimate Rewards promo)

• Portal/Extension: Newegg
• Source: Frequent Miler
• Link: Frequent Miler
• Rate/Value: $20 savings per $500 gift card (4% discount) + potential 10x Ultimate Rewards
• Ends: see source
• What: Newegg is selling $500 Southwest gift cards for $480 with promo code SSF69254, and can be stacked with a Paze/Chase card for 10x Ultimate Rewards.
• Why it matters: Combining the 4% discount with 10x Ultimate Rewards on a Chase card yields a strong return on Southwest travel spending.

Fee-free Visa Gift Cards in-store at Staples

• Portal/Extension: Staples
• Source: Frequent Miler
• Link: Frequent Miler
• Rate/Value: $0 purchase fee on $200 fixed Visa Gift Cards
• Ends: 2026-06-06
• What: Staples is offering fee-free $200 Visa Gift Cards in-store, with a limit of nine per customer per day.
• Why it matters: Fee-free Visa gift cards are a foundational stacking tool — they can be purchased with a rewards card, then used to meet spending requirements or earn additional portal cashback at other retailers.

Kroger: Earn 4x fuel points on 3rd party and fixed-value Visa/Mastercard gift cards

• Portal/Extension: Kroger
• Source: Frequent Miler
• Link: Frequent Miler
• Rate/Value: 4x fuel points on select third-party gift cards and fixed-value Visa/Mastercard gift cards
• Ends: see source
• What: Kroger is running a promotion awarding 4x fuel points on select third-party gift cards (gaming/digital content) and fixed-value Visa/Mastercard gift cards purchased in-store.
• Why it matters: This multiplies the value of gift card purchases by converting them into fuel savings, effectively increasing the total return on manufactured spend.

Shopping Events & Deadlines

Staples: No Purchase Fee On $200 Visa Gift Cards (5/31-6/5)

• Portal/Extension: Staples
• Source: Doctor of Credit
• Link: Doctor of Credit
• Rate/Value: $0 purchase fee on $200 Visa Gift Cards
• Ends: 2026-06-05
• What: Staples stores are offering fee-free Visa gift cards during the week of May 31 through June 5.
• Why it matters: This is a time-limited opportunity to acquire liquid gift cards at no cost, which can then be used to earn portal cashback or meet card spending thresholds.

Other Shopping News

Discover Q3 2026 5% Categories: Gas/EV, Transit, Flights, Drugstores

• Portal/Extension: Discover
• Source: Doctor of Credit
• Link: Doctor of Credit
• Rate/Value: 5% cashback on up to $1,500 in purchases
• What: Discover announced its Q3 2026 5% rotating categories include gas/EV charging, transit, flights, and drugstores.
• Why it matters: While not a portal or extension play, these categories can be combined with portal cashback at drugstores or travel booking sites for double-dipping opportunities.

Honorable Mentions

• Fee-free Visa Gift Cards in-store at Staples — Already covered above as a stacking play; note the June 6 deadline.