I think you must give me simple tutorial how is trade on your services. You just said promosi, low price, there is not way to trade with you. And there is not escrow service who accepted.
Look through the many pages of happy customers. I stick with my "Honest Code Seller Since - July 30th 2015". And have sold MANY MANY codes just read above it say's via Autobuy -
https://slut.io/p/12361# (It was PayIvy for a long time but when they went down had to switch sites, but it seems to be working good) or PM.
I also offer via PM it is just slower as mentioned as the autobuy is automated where 24x7 it is there to sale. I have to be at PC answer PM with an address and after payment I send code. So most opt for autobuy since it's quickest option. But either is accepted.
I have sold these codes since July 30, 2015. You will find NO other seller that has operated for this long let alone doing it with happy customers. So with all respect your wrong about no way to trade. And did you PM me with a escrow asking if I would do it?.... no so again I think with all respect you are missing something.