many of those sites that offer caps are scams. if they will only take paypal, zelle, or Nigerian currency they are a scam. if they offer stuff that the normal outlets don't have, they are scams.
seems in the last few years every cesspool in the world has spawned scammers. try posting a "wanted" ad. interesting bunch of linguists will reply.

the consolidation of the states into one vast republic, sure to be aggressive abroad and despotic at home, will be the certain precursor of that ruin which has overwhelmed all those that have preceded. Robert E Lee
~Molɔ̀ːn Labé Skýla~