This farm very much resembles the Dire Maul farm in that it allows you to hit multiple markets without having to do too much. You can mageweave, runecloth, greens, world drops, and herbs all from this one single spot with the addition of countless transmog items. I personally love this spot – however I feel I stumbled upon it a little to late. The benefits is that this is the LARGEST instance in the entire game – literally. You can spend up to 15 minutes pulling the entire instance. You are rewarded however with an abundance of drops of all kinds. You can quickly fill up your inventory here. If you need greens form the 47-51 area, this is your spot. As mentioned, you will also get soo many trade goods that it's hard not to fill even the biggest of bags.
If i start on a new realms, I am farming a lot of transmog from classic and Burning Crusade Dungeons and Raids. In the beginning, i start to post them if they have at least a DBRegionMarketAvg (Average value of an item on all EU realms of the last 14 days) of 500 Gold. All the other items get vendored. The time you hit a stock of 1000 Items, my value treshold raises to around 2.500 Gold. All the items below that value get vendored aswell. Newly farmed items that are above these treshold will be listed. Why? If I start over somewhere, I want to get a certain amount of gold quickly. Cheap items are great for that. Later on, to save time, Quality is better than quantity. As mentioned above, re-posting the items on the auction house takes quite a bit of time. At this point, I can recommend you the TradeSkillMaster AddOn, it makes your auction house work really a hell of a lot easier.
Most raids tend to have Bind on Equip loot dropping, and some of these pieces look very good! That means people will pay nicely for them. They aren't bad either for leveling purposes. WOD raids are an excellent choice, as each piece usually always sells for several thousand gold, many even closer to ten thousand instead. Let's take a closer look a those drop rates!
Mag'har orc - "For untold generations, the orc clans of Draenor battled one another in endless war. But when Gul'dan offered them the blood of his demonic masters, the disparate tribes of Mag'har—the orcish word for "uncorrupted"—refused the dark bargain and banded together to drive out the Burning Legion. United under the leadership of Grommash Hellscream, the Mag'har pledged to one day repay Azeroth's heroes for aiding their cause. As war against the Alliance intensifies, the Horde must call upon the might of the Mag'har to seize victory."
The most simple thing is TradeSkillMaster. This AddOn shows you quite an amount of information in the items tooltip. In my opinion, DBRegionMarketAvg the best source. It tells me the price, an item was posted on all EU realms in the last 14 days. Why not DBMarket? DBMarket only shows you the items value from your server in the last 14 days. This value often gets manipulated. Some people start to post an item with a 500g value for 500.000 Gold on the auction house for several weaks. As a consequence, DBMarket is rising towards 500.000 Gold. If you use DBMarket with 100% and post your item for 500.000 Gold, nobody will buy it.