Walmart Supercenter offers a range of services to enhance grocery shopping, including the option to order fresh groceries online. Walmart+ members benefit from free same-day delivery and can enjoy free pickup without extra charges. They accept SNAP EBT cards and provide an Express Pickup service for a low fee. Customers can shop for organic produce, backed by a Freshness Guarantee, with trained associates hand-picking groceries for quality. The Walmart Grocery app adds convenience, allowing users to check in and have their orders ready upon arrival. However, some reviews highlight concerns about cleanliness, such as dirty restrooms, and safety issues, like fights in the parking lot. Customers have also noted difficulties with product availability, including poorly stocked aisles and limited frozen meal options. Additionally, the absence of shopping baskets and issues with self-checkout machines have been mentioned as inconveniences. Overall, while Walmart Supercenter provides essential services, there are areas that need improvement to enhance the shopping experience.