1. Don’t use wow gold to buy anything from AH unless you’re an AH master who can buy and sell wow items, wow mats, wow gears at a profit
2. Sell gathered wow mats if you are a miner skinner herbalist dust/shards from enchanting at the AH
3. Have nice big bags to fillup with anything u loot. Vendor the useless crap
4. Pickup Archeology next patch them crappy greys will be worth lot of wow gold
5. Do Dailies every day
6. Sell mage portals to cities to make wow gold :)
7.. Try to level in 2 zones or less once your lvl 85 you get more wow gold not xp when you quest :)
8.. Learn how to make wow gold at the AH