Sam's Club Gas Station in Frederick has recently shifted to a members-only fuel service, offering discounted prices exclusively to members. The pumps now always reflect the member discount, and customers can use the Sam's Club app to pay for gas, making the process easier without needing to carry multiple cards. The station is known for its competitive gas prices, which are often lower than other local stations, and it does not sell 88 octane fuel. The station is generally clean and well-maintained, with trash regularly picked up and amenities like windshield cleaner and a bucket available. It can get crowded, especially later in the day, but visiting early in the morning helps avoid the crowds. Staff members are friendly and helpful, particularly with pump issues, and customer service receives high praise. The station also features ample parking and a clean bathroom. Overall, Sam's Club Gas Station offers good prices, friendly service, and convenient amenities for members.