Deal and coupon guides
Clear answers that help shoppers use offer information correctly.
Use coupons successfully
Identify the offer type, check eligibility, and troubleshoot checkout.
Is a Coupon Code Still Active? A Checklist
Check eligibility, expiration, item restrictions, and the final checkout total.
Read guide →Automatic discounts vs. promo codes
Understand when a price should appear automatically and when code entry is required.
Read guide →Amazon coupon types explained
Clip coupons, promo codes, automatic discounts, and subscribe-and-save stacking, in plain terms.
Read guide →Coupon code not working? Run this checklist
The seven most common reasons a valid-looking code fails at checkout.
Read guide →Why a deal price can differ at checkout
Compare timing, variants, sellers, and regions to explain a changed deal price and verify the correct checkout total.
Read guide →Judge the price and saving
Check the math and decide whether the comparison price is useful.
How we calculate discount percentages
The exact formula, why we reject mismatched percentages, and what the saving figure means.
Read guide →Reference prices explained
What a struck-through price actually represents and how to keep it from misleading you.
Read guide →How to spot an inflated discount
Five checks that separate a real price drop from a marked-up reference price.
Read guide →Use current and expired deal pages
Understand update times and use older offer pages for price context.