Amazon is a nice place to buy stuff and all but they sometimes get on my nerves with their random "exclusively for prime members" BS.
I'm talking about Amazon stores in Europe, I don't know if the same goes on Amazon US as I never purchase stuff there. I tried a couple times but it would tell me I cannot purchase from outside the US or something so I don't.
Anyway when I see something I care about, like games, I usually wait for the price to go down which can take weeks or even months, not sure how they do their pricing cause it seems to randomly go up and down all the time.
Anyway the point is sometimes the price becomes really interesting and suddenly, out of nowhere the item is blocked and only purchasable if you're a prime member which is annoying because it's an artificial hurdle to get you to sign into prime membership which I will not do no matter what. The only positive is that just as randomly as that block appeared it suddenly goes away a few days later and the item can then be purchased by everyone again.