Movie Summary
A list of the basic add-ons that you need while working with the Auction house.
Auctioneer:
http://auctioneeraddon.com/dl/
Trade skill master:
http://tradeskillmaster.wikispaces.com/download
Bagnon
http://wow.curse.com/downloads/wow-addons/details/bagnon.aspx
Postal
http://wow.curse.com/downloads/wow-addons/details/postal.aspx