This addon is a improvement for quality of life and it can sell to a vendor your gray, green, blue items also can sell soulbound and low level epic items. Everything configurable.

Main Screen:
To open it, click on the "A.S." button at a vendor window, if you target a merchant npc standing on the Salvage Yard it also auto open.

Sell Green Equipment: when enabled, sells green armor and weapons respecting the item level threshold set by you.

Sell Blue Equipment: when enabled, sells blue items too.

Auto Sell Gray: when opening a merchant window, auto sells junk items (gray).

Auto Open: when talking with a merchant and opening the merchant store, auto opens the Auto Seller window.

Sell Soulbound Equipment: sells soulbound equipment in your backpack which passes by the addon rules, won't sell items with item level higher than 611 at all.

Sell Low Level Epic Equipment: sell epic items with an item level lower than 600, good for your firelands runs.

Ignore List: the addon won't sell the items added on the list.
It's important when you add an item on the list to also leave a comment here with the name of the item you added, so we can add the item on the built-in black list for other users.

Transmog: open the transmog panel showing all non soulbound equipments, you may hover over to see how it looks like in your character.

AH Prices: open the auction house panel showing non soulbound items in your backpack with the auction price.
You need to have an auction house addon installed, currently supported are: TSM, Auctionner, Auctionator, TheUndermineJournal.

Item Level: set the item level limit. Items with ilevel higher than this will not be sold.
For instance, you want disenchant items above item level 460 for Draenic Dust and all other you want sell, so, just set the item level limit to 460.

Vendor Gold: sells items with vendor price in gold higher than what is set on this option ignoring the item level.

Auction Price: won't sell items with a auction price higher than set on this option. Need an auction addon installed.

Auto Sell: sells any item added to this list.

Sell Items: starts to sell.

Please, report bugs/request features creating a ticket at our ticket tracker here: http://wow.curseforge.com/addons/salvage-yard-seller/tickets/