You are right, it is not as easy as it might seem at first glance, but this is not a reason to be nervous. You first need to understand what you want to receive and then contact several agents. It is advisable to read the information on the official websites in advance, but usually, there is not all the necessary information, unfortunately. By the way, yes, some gateways connect fiat and crypto payment systems, but for me, they still need to be improved.