Get ready to score some sweet bonuses just by shopping with a mate at Costco! - Refer a friend to join Costco and **you BOTH walk away with a valuable Costco Shop Card**—that's $20 back for Gold Star members or a whopping **$40 back** if you're on the Executive plan! - This awesome offer is running until December 21st, 2025, but you both need to sign up in-store together to grab your cards. - Don't wait—share the savings now and effectively lower your membership fee instantly!