The Costco Coupon Book: How It Works & How to Save More
Updated regularly. The Costco Coupon Book — officially the “Member Savings” mailer — is the easiest way to stack instant rebates on top of Costco's already-low warehouse prices.
What is the Costco Coupon Book?
The Costco Coupon Book is a member-only savings mailer Costco releases roughly every month. Each book runs for about three to four weeks and lists instant manufacturer rebates that come off at the register — no clipping required, no app activation. Gold Star, Business, and Executive members all get the same prices, but Executive members earn an additional 2% reward on qualifying purchases.
When does the next book start?
Costco typically publishes 12 to 13 books a year, with the largest ones landing around the spring "Member Savings Event," back-to-school in August, the October Hot Buys event, and the November Black Friday / holiday book. Check the dates printed on the front of the most recent mailer or sign in to Costco.com → "Savings" → "Current Offers" to see the next start and end dates for your region.
- Most books run Wednesday through the following month's first Sunday.
- Online-only codes usually start one day earlier than warehouse pricing.
- Multi-Save (MS) coupons require buying multiple items together for the discount.
How to read a coupon page
Every entry lists the item, the savings amount, the dates the offer is valid, and a small icon noting whether it's in warehouse, online, or both. Look for the "$X OFF" band — that's the instant rebate. Items marked "While supplies last" are usually one-time buys and worth grabbing early in the cycle.
Stack with these tips
- Pair the coupon with a Costco Anywhere Visa for 2% cash back on Costco purchases.
- If you're an Executive member, the 2% reward compounds on coupon-book pricing.
- Cross-check the post-coupon price against current deals on Wallet Wins below — sometimes a sale elsewhere beats even the warehouse price.
Frequently asked questions
Do I need to clip or scan the coupons?
No. Discounts come off automatically at checkout for any active member.
Can I price-adjust an item I bought before the book started?
Yes — within 30 days of purchase, bring your receipt to the membership desk for a refund of the difference.
Do the coupons work on Costco.com?
Most do, but pricing and availability can differ from your local warehouse. The book labels each offer as in-warehouse, online, or both.
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