$60 for basic membership or $120 for an executive membership but you'll earn a rebate of 2% back on all purchases with executive. If you get the citi costco visa card (no annual fee) you'll get an additional 2% back on all costco spend on the card, so if you will spend more than $1500 at costco in a year the executive membership and credit card will offset the cost difference between executive and standard membership.
Executive membership $120 Basic membership $60
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