You'll find all kinds of products at Amazon. Clothing, electronics, pet supplies, sports gear, baby stuff, automotive products, and a lot more. Almost every product has lots of customer reviews. More info.
Walmart is famous for offering a huge selection of products at really low prices. Groceries, clothes, shoes, jewelry, appliances, furniture. You will find mostly anything here. More info.
There's a lot of really talented craftspeople selling their products at reasonable prices here. Jewelry, clothing, shoes, home decor, and more. More info.