Walmart Supercenter is a local establishment known for its helpful staff. They have a system in place to document and hold lost items, such as cash, for a reasonable amount of time. In one case, a customer accidentally left $80 in a dispenser and was pleasantly surprised when the staff located the money and returned it. The store also features self-checkouts with minimal wait times. However, it's worth noting that larger quantities of items may not always be cheaper per unit price. Overall, customers generally have a good experience at Walmart Supercenter, with some even reporting quick checkout processes when there are enough open lanes.