I saw it on Slickdeals: https://slickdeals.net/f/13827302-sams-club-membership-savings-offer-join-for-45-and-get-45-back


Sam's Club via www.specialcluboffer.com offers New Members: 1-Year Sam's Club Membership + $45 Instant Savings Offer for $45 when you follow the steps below.

Steps
Enter your email to receive a unique promo code

Join in-club with the email or join online by clicking on the "Redeem Now" link in the email

Receive an offer for $45 off $45 or more of qualifying purchases
$45 offer is an Instant Savings offer and will be loaded onto new membership account within 72 hours of membership activation and is valid for 60 days thereafter.

Items purchased with individual Instant Savings offers are not eligible for this $45 offer.

Purchases of alcoholic beverages, tobacco, milk, fuel, pharmacy, gift cards, memberships or shipping costs are not included in this offer.

Offer valid until March 8, 2020.