Since starting as a small audio specialty store in 1966, Best Buy has grown to become the nation’s largest seller of consumer electronics. While other such stores have gone by the wayside. Best Buy company provides a generous exchange and return policy on its many appliances and gadgets, giving cash and credit card customers up to two weeks if they aren’t satisfied. Shoppers can expect to find coupons and promo codes on some of the most popular items, including laptops, tablets and computers.