Walmart Supercenter offers a convenient online grocery shopping experience with free same-day delivery for Walmart+ members. Customers can order fresh produce, organic items, and their favorite groceries, enjoying the Freshness Guarantee and low in-store prices. The store provides Express Pickup for a small fee, allowing customers to check in with the app and have their orders brought to their car. However, the in-store experience has some challenges. Some customers report issues with understocked shelves, a lack of staff presence, and long waits to access locked-up items. The self-checkout system is also a source of frustration for some. While there are dedicated employees, like the exceptional Misty who maintains the pet food aisle, the overall staff quality is described as mixed, with some employees described as disengaged. Despite these concerns, Walmart Supercenter remains a convenient option for grocery shopping, offering online ordering, pickup, and delivery services to cater to the needs of its customers.