Easy.
* If you are selling items for gold, set up a stall.
* If you are buying items with gold, tell them to set up a stall.
* If you are trading multiple items, take your time and look over everything
before you hit ok and before you hit approve.
I've noticed at least on Alps, more and more people sell via stall. When someone offered to buy all my weapon elixers, I set up a stall. Just makes life easier for everyone. Just make sure you double check the price you have before you hit "open stall "
