Walmart is an online virtual supermarket where you can buy everything with ease. Walmart is one the best supermarkets and their online store work in just the same way. You`ll get to choose from a number of categories such as home appliances, furniture, movies, books, shoes, and apparel. They promise to ship their orders within the two working days which is a speedy service. Also, they give you the option to order online and pick up from your local store at any time.