If they want to run a website where you "might" get something at a great price, that's fine - but they have to advertise it that way and instead of a "buy" or "

If they want to run a website where you "might" get something at a great price, that's fine - but they have to advertise it that way and instead of a "buy" or "checkout" button, they need to say "I feel lucky, maybe they will ship me this, but maybe not" If they were straight up about it with good communication, that's fine then. But they cannot pretend to be as good as amazon when they are not even a shadow of amazon.