Presumably they make their money from repeat customers, in which case ripping off their customers is probably not an optimal strategy: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Repeated_game" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Repeated_game</a>