http://www.wowmasteryguide.com/wow-interface/gold-in-wow.php
Here's some good ideas for making a lot of gold in wow. And, like everywhere else, and in the World of Warcraft Gold makes the world go round. Making Good use of the Auction House is the oldest formula known to man: buy low, sell high. Rolling up an Auction House agent is just a character you have that you use only for Auction House operations. This character checks the mail, mails off wow gold, and places bids. Of course, make sure this character is on the same server with your main character.