Best Buy is a leading retailer specialized in consumer electronics, computers, appliances, cell phones, video games, tech and gadgets in the United States, also operating in Canada and Mexico, and China through a subsidiary. Having developed its e-commerce shop, Best Buy sells its electronics and home appliances online to American digital customers.Best Buy is a leading retailer specialized in consumer electronics, computers, appliances, cell phones, video games, tech and gadgets in the United States, also operating in Canada and Mexico, and China through a subsidiary. Having developed its e-commerce shop, Best Buy sells its electronics and home appliances online to American digital customers.Best Buy is a leading retailer specialized in consumer electronics, computers, appliances, cell phones, video games, tech and gadgets in the United States, also operating in Canada and Mexico, and China through a subsidiary. Having developed its e-commerce shop, Best Buy sells its electronics and home appliances online to American digital customers.Best Buy is a leading retailer specialized in consumer electronics, computers, appliances, cell phones, video games, tech and gadgets in the United States, also operating in Canada and Mexico, and China through a subsidiary. Having developed its e-commerce shop, Best Buy sells its electronics and home appliances online to American digital customers.