Quote Originally Posted by Valkyrie_Lenneth View Post
No, the reason people can't sell on other servers is simple. Your retainers are tied to your home world.

This isn't an exploit.
Ehh. The OP isn't entirely wrong. If you have access to a second account, you can make several alts on your main who will all have the same number of retainers than trade them stuff through that second account.

That isn't, however, an exploit.