Their vertically-integrated logistics provides plenty of friction for switching. Sure, you could type in a different URL. But the free shipping option will pro

Their vertically-integrated logistics provides plenty of friction for switching. Sure, you could type in a different URL. But the free shipping option will probably be slow if it exists, and you'll need to place several orders with different retailers if you want to buy products from disparate categories. There's also the trust aspect. Would you really try to get a token discount on a new iDevice by purchasing it from a random redditor or a pop-up Shopify storefront? And where would those people get the cheaper devices, if Apple is providing Amazon with a cheap wholesale deal in exchange for control over who can list their products?