-Do not scam anyone.
If you come to an agreement and change your mind or don't show up, that is considered scamming.
-Try to keep prices reasonable.
Ridiculously overpriced items are considered as spam. Unless you are undercharging for a reason, try to keep prices reasonable according to your world.
-Please post the stats of the item.
It would be inconvenient if people didn't know the stats of the item you are selling.
-Don't spam the same item in multiple threads.
It will result in the deletion of all the threads related to the item.