Walmart is famous for offering a huge selection of products at really low prices. You will find mostly anything here.
Kroger is the perfect place to get your online grocery shopping done, complete with a bakery, flower shop, and pharmacy.
At Target.com you can shop all kinds of products and necessities, including electronics, clothes, health and beauty, food, home goods, and even pharmacy products.
Groupon is a great site to find discounts and coupons when shopping online. You can shop for products such as watches, electronics, and sports & outdoors.