Newegg is an online seller of computer components, electronics, and tech products. They are known for having low prices on these items.
Best Buy sells electronics of all kinds including computers, appliances, phones, and video games.
Target is a chain of retail stores that sells general goods including clothing, electronics, food, and more. Their goal is to sell high-quality merchandise at low margins.
Walmart is a multinational retail chain that sells a variety of products at low prices. They are known for their "greeters" that help shoppers find products in their brick-and-mortar stores.