Buying Warcraft gold is a fairly controversial way of getting the gold needed to progress through the game. However, for many people it is really the only practical way to be able to see the endgame material and be able to gear up for it so that they will eat least have a chance of being invited into groups for the 25 man raids.
warcraft gold sales are very popular on the Internet and it is indeed a very lucrative industry. You will probably have noticed the large number of gold seller is advertising in the game itself but be aware that there are many gold seller is out there who are unscrupulous and do not have a good reputation. In spite of this, it is not too difficult to find a decent an reputable seller which has good after sales support.
As soon as we reach the maximum level, virtually all of us want to start raiding as soon as possible and as nothing more frustrating than reaching a maximum level and then having absolutely nothing left to do but run the occasional heroic over and over again or go grinding for gold. Fortunately, there is another option.
There are three ways to get the gold. If you have a colossal amount of time to play, no a job and not much of a social life either, you could spend days and days grinding the gold by repetitively killing mobs and levelling up your gathering professions. Alternatively, you can simply play the normal amount of time and take months and months to accumulate the gold needed.
So, if you want to save an enormous amount of time and be able to set aside a lot of time for other things in your life, then buying World of Warcraft gold is a great option.