One way to use the Auction House to make lots of fast gold is to sell the various forms of cloth. Cloth is used for bandages, tradeskills, and people usually need an abundance of it. It doesn't matter what level you are because even low level cloths sell well, especially Mageweave Cloth, which generally sells higher than all of the cloths because it is the least farmed.You can buy cheap wow gold here !

Generally the best place to farm cloth is running instances, as cloth has an increased droprate inside instances.
Wool Cloth - Stockades is the best instance to farm Wool Cloth. If you're unable to farm instances, you can try farming the undead in Duskwood on Raven Hill as Alliance or you can try Thistlefur Hold in Ashenvale, north of Astranaar, if you are Horde. The average price for Wool Cloth is 5 silver per cloth and 1 gold per stack.

Silk Cloth - The best instances to farm Silk Cloth are the Scarlet Monastery instances. Scarlet Monastery is easier to get to as Horde, but you are able to easily access this instance as Alliance. If you're unable to farm Scarlet Monastary, you can go to Stormgarde in Arathi Highlands to farm Silk Cloth as both Horde and Alliance. The average price for Silk Cloth is 3 silver and 50 copper per cloth and 70 silver per stack.

Mageweave Cloth - The best instance to farm Mageweave Cloth is Zul'Farrak in Tanaris for both Horde and Alliance. For players unable to farm instances, you can easily obtain Mageweave Cloth from the pirates and ogres in Tanaris. The average price of Mageweave Cloth is 19 silver and 50 copper per cloth and 4 gold per stack. Mageweave Cloth can sell as high as 10 gold per stack if the supply is low enough.
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