Sam's Club Gas Station in St. Louis offers a convenient and affordable fueling experience for its members. The station has changed its policy to be members-only, no longer selling fuel to non-members. However, this change has resulted in cheaper gas prices for members, making the membership worthwhile if the primary reason for joining is to access the discounted fuel. The facility is clean and well-maintained, with trash cans available and a squeegee/scrubby station for cleaning windows while refueling. Customers have reported short lines and a fast transaction process, especially when using the Sam's app on their phones. While the entry to the gas station may not be immediately intuitive, the prices are consistently among the cheapest in the local area. Overall, Sam's Club Gas Station provides a reliable and budget-friendly fueling option for its members, with helpful on-site staff, clean facilities, and a streamlined fueling experience.