Popular US "big box" retailer Best Buy sells smartphones with the authorization to also sell service for AT&T, Sprint, and Verizon (along with a few other pre-paid carriers). Of course, carriers have to make a deal to allow a retail store like Best Buy to resell cellular service for another carrier. The partnership helps everyone: Best Buy gets more customers in the store, carriers sell more service, Best Buy gets a cut. It's a win-win-win, right? Well, on the surface level, yes. The deal works out for everyone. In fact, Best Buy even offers its own promotions, ones that you can only take...
Source: https://www.gsmarena.com/best_buy_prices_iphone_8_and_iphone_x_models_with_a_100_premium_if_you_buy_upfront_-news-27949.php
