The amazing thing to me is this leads some players to search out websites that sell gold as an easy fix to getting what they want or need. What these players fail to realize is there are effective and fast ways of making World Of Warcraft gold that are cheaper than a single purchase from a gold selling site.
You can literally gather up items at no cost and sell these in the AH for a good sum of money. I suggest you take up mining and skinning to start with. You can skin any dead animal and receive a variety of leathers. Light leather is always a hot selling item in the AH and can be gathered quickly as you level. Mining will gather copper, tin and iron ores. These can be smelted to bars and sold in the AH to eager blacksmiths.
There are advanced gamers that have figured out and documented the fastest ways for any level character to be able to start making World of Warcraft gold in gaming guides that are available online.
You can make 30 gold an hour with little effort on most servers. The fish in most demand are Deviate Fish, Stonescale Eel, Oily Blackmouth and Firefin. Check the prices for these in the AH on your server and start fishing.
This allows me to focus on my leveling program until I am ready to upgrade gear or buy an epic mount and then I go on my money making missions to quickly pick up whatever I need. Then it is back to the leveling program.
Any low-level green item can be disenchanted to create the basic enchanting materials such as Strange Dust or Lesser Astral Essence. You can purchase green armor for 5 silver or so, disenchant the armor to it's basic components and put the components straight back in the AH on sale for 20 silver.
Of course I have the information I need to get gold without paying for gold and that is probably why I can't understand why someone would do that.