Deal and coupon guides
Clear answers that help shoppers use offer information correctly.
How to tell whether a coupon code is still active
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 →What “last checked” means on DealsChecked
Source sync, link checking, price validation, and manual review are separate events.
Read guide →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 →Amazon coupon types explained
Clip coupons, promo codes, automatic discounts, and subscribe-and-save stacking, in plain terms.
Read guide →How to spot an inflated discount
Five checks that separate a real price drop from a marked-up reference price.
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
Timing, variants, sellers, and regions - where listing and checkout prices diverge.
Read guide →Why expired deal pages stay online
Expired offers are clearly marked and kept for price context, never to farm clicks.
Read guide →