What to do if you regret purchasing item from the Trading Post, but can't refund it

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

What to do if you deleted rogue quest reward Recipe: Thistle Tea

How to restore/re-purchase legendary items if they are missing/destroyed/sold.

How to find the Dream Wardens Tabard

What to do if you are missing grey or white quality item to add to your wardrobe

Information on why you may be unable to pick up the Brewfest quest in Europe.

How to recover the Tabard of the Argent Dawn

Purchased a second copy of an heirloom that was already owned

What has happened if you can't complete these quests due to needing the quest item which gets destroyed when accepting it.