This runs counter to TOS and may result in your being banned. However, there are so many people buying gold. It is not realistic to pursue gold. Chasing big sellers is more effective.
That is to say, it’s very easy to create gold in world of Warcraft. For example, task rewards and vendor Gray will give you enough money to upgrade. Once the level limit is reached, there will be Random Dungeon daily, task daily and profession. Glamorous, mining, herbal, jewelcrafting and alchemy make you rich.
Oh, install and learn how to use the auctioneer plug-in.
Save your money, the game is very generous. . you only need to use the things there.