Costco members can grab kids' Halloween costumes starting at $29.99 for Teetot designs and $31.99 for Disney or Marvel characters.




Teetot costumes are also available online for $35.99 each, but the Disney and Marvel options aren't. You don't need a Costco membership to shop online, but nonmembers will be charged a 5% fee at checkout.
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Keep in mind that this full deal is only available at the warehouse. If you're not already a member, consider signing up for a Costco membership before the membership fees increase in September.