warcraft selling gold

Is there REALLY a buisness in farming gold and selling it on World of Warcraft?

Just wondering because there are so many sites selling it and all but they seem so sketchy.

Actually, wow got so boring that’s all I do. 20,000 gold sells for $175. on Craig’slist

Hayden Hawke Releases Brand New Cataclysm Secret Gold Guide for WoW Players
Hayden Hawke, best selling author, has released a brand new gold guide that shows WoW players how to automate making gold.