Like pepperj said - you must be a Charter to sell on T-Net (SEE: Account Upgrade: CHARTER MEMBERSHIP). Along with selling, etc. - here is what you get as a Charter Member:
Access to our LIVE POSTS page. (just leave a page open and see all posts in real time!)
Ability to search.
Access to our Charter Members Only Forum.
Access to our Who's Online List.
Ability to customize your profile and upload photos.
Increase in PM limit from 200 to 1000.
Our pledge to continue improving this site!
You will also have a Charter member icon added to all your posts....