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I checked and dont think this has been posted. All you need is a lvl 150+ enchanter and the auctioneer/enchantrix addons and around 15-20 mins a night. Go to the ah and buy as many cheap greens u can, but use the enchantrix to see wat the disenchanted items will be. After you have boughten all the items, disenchant them. Go to the ah and use the auctioneer addon to see how much you should sell it for, but make sure it is lower than others already on the ah. After you've done this, check back in 24 hours to see if they've sold, if not put them back up for same price (enchanting mats dont have deposit). After a while you can start to buy more expensive items and get better enchant mats. Heres a site that might explain it better, but note that with the update you cant be a lvl 1 and disenchant a lvl 60 weapon.
http://www.wowskill.com/tips/increase-your-gold/