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Discounted gift cards versus bonus-card promotions

$10 off $100 and a $10 bonus on $100 sound the same. The math says otherwise. A head-to-head with worked examples.

Nov 1, 2026 · 2 min read

On this page
  1. Offer A: the straight discount
  2. Offer B: the bonus card
  3. Valuing the bonus honestly
  4. When each one wins
  5. The receipt test

Two offers, both waving the number ten. One hands you money today. The other hands you homework with a deadline. Learning to tell them apart takes one worked example.

Offer A: the straight discount

You pay $90 for a $100 gift card. The math is honest: $100 of free spending for $90 of cash, a 10% saving, provided you would have spent the $100 at that store anyway. No second deadline, no fine print about where the value works. It behaves exactly like the card you already understand.

Offer B: the bonus card

You pay $100 for a $100 gift card and receive a $10 bonus card. You have not saved $10. You have prepaid $100 of spending and accepted a side quest: rescue $10 of restricted value before it expires. Typical bonus terms include a 30 to 60 day expiry, in-store-only redemption, and exclusions on sale items or other offers. Each limit shrinks the rescue value.

Valuing the bonus honestly

Run four questions: when does it expire, where can I use it, what can it buy, and does it stack with sales? Now picture your real calendar. If the bonus expires before your next planned visit, its value to you is zero, and the “deal” was full price plus pressure. If you shop there weekly and it covers your usual items, value it near face. Most bonuses land somewhere in between. Write down the rescue value, not the printed value, and judge the offer on that.

When each one wins

The discount wins when you want flexibility: no deadline, no extra trip, no conditions. The bonus wins when you are already a regular, the timeline fits your habits, and the bonus covers things you buy anyway. Then the bonus is a thank-you instead of a treadmill. Neither wins when the store is somewhere you would not otherwise shop. A deal that invents a shopping trip is marketing, not saving.

The receipt test

Before you buy either, picture the receipt a month later. Discount receipt: you paid less for things you wanted. Bonus receipt: you paid full price, made an extra trip, and maybe rescued the bonus. If the second picture looks tiring, skip the promotion. For the full framework, read how to evaluate a gift-card deal.

Common questions

Is buy $100, get a $10 bonus card the same as 10% off?

No. Ten percent off means you pay $90 for $100 of free spending. A $10 bonus means you pay $100 and get extra value that usually expires fast and carries restrictions.

When is a bonus-card promotion actually good?

When you already shop there often, the bonus lasts long enough for your next planned visit, and it works on what you buy. Then it is a genuine extra, not a chore.

How should I value a bonus card?

Ask what you would realistically rescue from it before it expires, given its limits. That rescue value, not the printed amount, is what the promotion is worth to you.

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