Sam's Club is a membership-based warehouse club that offers a wide variety of products at discounted prices. It is owned by Walmart and provides members access to bulk items, groceries, electronics, and household goods. The club aims to help families save money by purchasing items in larger quantities. Members pay an annual fee to shop at Sam's Club, which also features additional services like a pharmacy, optical center, and tire installation. The stores are designed to provide a no-frills shopping experience, focusing on value and convenience for budget-conscious consumers.