Sam’s Club Members will simply save their membership number in the loyalty card section to receive membership rewards (Sam’s Club Master Card, 1% cash back) and lower, member-only pricing on items. FAQ: What is Instacart? Instacart is a same-day grocery delivery service that delivers in as little as an hour.
https://help.samsclub.com/app/answers/detail/a_id/2829/~/instacart-home-delivery-from-sams-club

