This is a comprehensive list of all the Auctioneer command line commands that are available from within the game. In order to access these commands, just start typing them into the game. The message box should appear as you type the first "/".
Help on these commands is also available in the game by typing /auctioneer help
Auctioneer commands:
/auctioneer (on|off|toggle)
Turns the auction data display on and off
/auctioneer show-verbose (on|off|toggle)
Select whether to show averages and suggestions verbosely (or off to show them on a single line)
/auctioneer show-average (on|off|toggle)
Select whether to show item's average auction price
/auctioneer show-median (on|off|toggle)
Select whether to show item's median buyout price
/auctioneer show-suggest (on|off|toggle)
Select whether to show item's suggested auction price
/auctioneer show-stats (on|off|toggle)
Select whether to show item's bidded/buyout percentages
/auctioneer show-vendor (on|off|toggle)
Select whether to show item's vendor pricing
/auctioneer show-vendor-sell (on|off|toggle)
Select whether to show item's vendor sell pricing (req show-vendor=on)
/auctioneer show-vendor-buy (on|off|toggle)
Select whether to show item's vendor buy pricing (req show-vendor=on)
/auctioneer show-usage (on|off|toggle)
Select whether to show tradeskill item's usage
/auctioneer show-stack (on|off|toggle)
Select whether to show the item's stackable size
/auctioneer show-link (on|off|toggle)
Select whether to show the link id in the tooltip
/auctioneer autofill (on|off|toggle)
Set whether to autofill prices when dropping new auction items into the auction house window
/auctioneer embed (on|off|toggle)
Embed the text in the original game tooltip (note: certain features are disabled when this is selected)
/auctioneer show-embed-blankline (on|off|toggle)
Select whether to show a blank line between the tooltip info and the auction info when embedded mode is on
/auctioneer show-mesh (on|off|alt|ctrl|shift)
Select whether to show item's mesh if it has one
/auctioneer locale <locale>
Change the locale that is used to display auctioneer messages
/auctioneer pct-markup <percent>
The percentage that vendor prices will be marked up when no other values are available
/auctioneer pct-bidmarkdown <percent>
Set the percentage that Auctioneer will mark down bids from the buyout price
/auctioneer pct-nocomp <percent>
The percentage that Auctioneer will undercut market value when there is no competition
/auctioneer pct-underlow <percent>
Set the percentage that Auctioneer will undercut the lowest auction price
/auctioneer pct-undermkt <percent>
Percentage to cut market value by when unable to beat competition (due to maxless)
/auctioneer pct-maxless <percent>
Set the maximum percentage that auctioneer will undercut market value before it gives up
/auctioneer clear ([Item]|all|snapshot)
Clear the specified item's data (you must shift click insert the item(s) into the command) You may also specify the special keywords "all" or "snapshot"
/auctioneer also (realm-faction|opposite)
Also display another server's values in the tooltip. For realm, insert the realmname and for faction the faction's name. For example: "/auctioneer also Al'Akir-Horde". The special keyword "opposite" means the opposite faction, "off" disables the functionality.
/auctioneer broker <silver_profit>
Show any auctions from the most recent scan that may be bid on and then resold for profit
/auctioneer bidbroker <silver_profit>
Show short or medium term auctions from the recent scan that may be bid on for profit
/auctioneer percentless <percent>
Show any recently scanned auctions whose buyout is a certain percent less than the highest sellable price
/auctioneer compete <silver_less>
Show any recently scanned auctions whose buyout is less than one of your items
/auctioneer scan
Perform a scan of the auction house at the next visit, or while you are there (there is also a button in the auction pane). Choose which categories you want to scan with the checkboxes.