World of Warcraft Gold is often the primary currency of this virtual world. Gold is usually earned by defeating enemies and the amount is often dependent on the strength or level of the defeated monsters. However, players need better equipment to defeat stronger monsters. To buy these equipment the player needs gold. However, to get enough gold you need to defeat bigger monsters. Thus, this forms a vicious circle. Normally, the player needs to defeat numerous weak monsters to earn enough gold but this takes time. Also, for relatively new players, defending against powerful adversaries can be near to impossible without some help. Thus, weak players tend to remain weak due to bullying of these powerful players.
Thus, some players take short cuts by buying game gold with real cash. This is a game legal method. Powerful players that have garnered a large amount of gold actually sells some through websites for real money. These people have accounts with seller sites. The seller sites then takes orders via a credit card purchase and remits that money to the actual gold seller. Real world prices varies per seller but there are websites out there that offer cheap WoW Gold. Thus, players can buy good equipment that compensate for their relatively weak status.