Walmart Supercenter is described as a one-stop shop for families on a budget, offering groceries and everything else at low prices. Customers can order fresh groceries online with options for same-day delivery for Walmart+ members or free pickup. The service includes associates hand-picking items with a Freshness Guarantee and loading groceries directly to a customer's car for convenience. However, experiences with customer service and operations are mixed. Some report significant issues, including deliveries sent to the wrong address, frequent out-of-stock staples, and an inability to reach customer service by phone after multiple attempts. The shift to almost entirely self-checkout is noted as a downside by some shoppers. While some find shopping there a fun experience, others prefer to support different stores, noting that Walmart's price advantage may not be as strong compared to competitors like Kroger or Aldi, though it remains a go-to for specific items like automotive supplies, oil changes, and tires.