If something you bought drops in price within 30 days, Costco gives you the difference back. Almost nobody checks. Markdown Catch watches your receipts and tells you when to claim.
Start freeEmail sign-in. No Costco password needed.
Add a receiptShare the PDF from the Costco app, or snap a paper receipt. We read every line.
We watch the pricesEvery purchase is checked against the monthly Instant Savings and fresh shelf prices like $19.97.
Claim at the deskGet an email when something drops, then show a claim card at the membership counter.
Also: where it's cheapest near you
Prices differ between warehouses. See what your nearby Costcos charge, and when another one is cheaper on something you just bought.