Select Amex Gold cardmembers are eligible to receive one year of free Costco membership, courtesy of American Express. To receive the $50 statement credit for the annual Costco membership fee, you must enroll in the promo, then use your Gold Card to purchase a membership and spend at Costco by January 15, 2010.

Eligible cardmembers can enroll at www.americanexpress.com/costcogift/