I am wanting to quickly (would like to have phone within a week) an unlocked phone with no plan, not even a monthly plan. (I have a separate through about SIM cards but this is about the phone itself). Looking for ideas where to buy unlocked phone without having to sign up for any kind of monthly plan.

I was looking on Best Buy (who had a couple of the Samsung A series phones I am interested in) and they are unlocked but it appears they only sell them on a contract or for a specific carrier.

This phone is going to be a spare, mostly for travel. So I want to be able to buy SIMs for a specific amount of minutes, texts, data and also to switch to one for another country as needed. The Samsung A series looks adequate (likely the A36 or A26) but am totally willing to consider other options.

But where to get the phone? I don't want to have one of the month to month plan. Just buy as needed. One reason I don't any plan with a carrier is that the phone will be used on a cruise and I don't want to have any possibility at all that the person using the phone could come home to a big bill if someone accidentally it connected to ship cellular.

I think I can buy direct from Samsung and could get it quick enough. But I am not necessarily wedded to Samsung. Ideally would like to be able to buy the phone in person but not absolutely required. Will not buy from Amazon (the phone -- could buy SIM from there).

EDIT: Ordered A26 from Samsung which arrived today. Thanks for all the responses.