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Expired Deal
Rachel Stump | Updated

Costco May 2021 Coupon Book

The Krazy Coupon Lady is an ad-supported service. Many offers on our site contain affiliate links, and we may earn a small commission if you make a purchase using them. Some posts are sponsored by the maker of the product, and we receive a fee for the post. See our full advertiser disclosure.

The Costco May Coupon Book is here, valid May 19 – June 13. Pricing shown is warehouse pricing. Most items are available online at Costco for a higher price or with a delivery fee.

You must be a member to shop in warehouses and for select products online. Right now, you can sign up for a membership and get a $10 or $20 Costco Shop Card. Can you shop at Costco without a membership? Yes, but no. Find out what flies and what doesn’t.

Check out our favorite handpicked deals below:

Apparel

A woman looking at clothing inside Costco.

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Home

snapware pyrex costco 1586978112 1586978112

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Personal Care/Beauty

costco-shea-moisture-2020-02

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Grocery

Redbull energy drinks at Costco

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Household

cascade 2 1 15 costco 1547520916

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Pet

cosequin costco 2 5 1580927261

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MORE COSTCO DEALS THIS WAY

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Squishmallows Halloween 4-Pack, Just $9.99 on Amazon for a Limited Time
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NCAA Vera Bradley Look-Alike Bags, Starting at $25 at Zulily
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Get This 2-Pack of NFL Tees for $28.50 at QVC (Only $14.25 per Tee)

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Baby
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Cat
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Clothing
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Coffee
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Diaper
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Dog
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Food
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Furniture
Squircle shaped image of Home themed commercial photography

Home
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Laundry
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Luggage
Squircle shaped image of Pet themed commercial photography

Pet
Squircle shaped image of Shampoo themed commercial photography

Shampoo
Squircle shaped image of Shoes themed commercial photography

Shoes
Squircle shaped image of Storage themed commercial photography

Storage
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Toilet Paper
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Toothpaste
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TVs
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Vacuums