With this new Market system you can sell your items to others users and avoid use trade channel for long time, you only need add the sell item on your arrow slot and use the command for sell from the following list of commands, you can use this system for sell if you are premium account and the limit is 50 items.
Commands to use the Market System
To buy a offer use !buyoffer Id
To sell a item use: !selloffer gold or points, quantity of gold or points
To delete a offer use: !deleteoffer id
Here is the current offers