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Deal Stack Calculator
Stack your sale, coupon, cashback, and credit card rewards to see your true price — and whether each layer is worth it.
Your deal details
$
$
%
Applied to the original price (e.g. 20% off sticker, or a $10 instant discount).
$
%
Applied to the post-sale price (the amount actually charged to your card).
%
Earned on the amount charged to your card. Find the best rate for your store →
%
Earned on the amount charged to your card. Find the best card for this purchase →
How the savings stack
Original price
Sale / markdown
Coupon code
Charged to your card
Portal cashback (deferred)
Usually credited 30–90 days after purchase
Card rewards (deferred)
Credited at end of billing cycle
True out-of-pocket
After all savings — including deferred cashback
Saved at checkout
Sale + coupon
Coming back later
Portal + card rewards
💡
Why discounts don't just add up
People often add percentages: = off.
But each discount applies to the already-reduced price — so the real saving is
.
Stacking less than naive math suggests —
but every dollar saved is still real.
🛒
Enter a price above to see your stacked savings breakdown.