What to do if you are not able to exchange the Excessively Bejeweled Curio for a piece of gear.

You can request data on your character's transaction record. I can't check the transaction records of the third party.

Information on unfreezing an item in the Trading Post

List of connected realms and information on how connected realms work.

What to do if you regret spending your celebration tokens

What to do if you've been scammed

Information about trading gold between versions of WoW and across realms and factions.

The counter of the achievement Trading Post Enthusiast does not increase after completing all requirements for the monthly reward

What to do if you cannot see the item you previously froze in the Trading Post

What to do when you are not able to see your friend's game in Diablo II: Resurrected to play together