Possible solutions: nerf dungeon experience unless there are five people in the group. Drastically nerf experience if there's a high level character along. More importantly, fix the pacing of outdoor content so that people won't get frustrated and turn to cheesy methods like this -- even hardcore, Mythic-raiding, altaholic Day-1 Warcraft players like myself.
A much smaller number of players are producing surplus quantities of those valuable goods and providing them to other players. And all the gold generated by the activities of those players who ignore the grindy professions and get what they need from the auction house is flowing to the players who are making all those goods available on demand to the rest of the community. Most of these auction house merchants are sitting on a lot of gold, but the number of people who want to make cash this way is relatively low.
World of Warcraft Gold (US) is a currency used in the US server as a medium of trade. WoW Gold, items are rewarded after killing the enemies. WoW gold is a limited resource and is hard to come by even though gold can be earned by various ways. It is still time intensive for any player to gather the gold needed to get better gears which make advancing easier. Because of the enormous need for WoW Gold, it has attracted many exploiters such as dupers and gold farmers. Arguing that they ruin other people's experience and enjoyment of the game, Blizzard has put up a strong fight to combat these exploiters by banning large number of accounts involved in the activities. However, there are as many players who would not want to invest their time and are willing to pay the extra money to get through the game. Generally, the price of WoW Gold in the EU servers are more expensive than those in the US.
Professions: This may seem strange for a leveling guide, but the first opportunity you get, pick up both the Mining and Herbalism gathering professions. Not only will this allow you to track many various quest objectives on your map, but you also get a fair amount of experience whenever you gather. I'd put it at around 10% of a quest turn-in per gather. Since most of your wasted time in WoW is travel time, stopping to gather ore or herbs can keep your exp/h rolling as long as you don't go too far out of your way. You should only gather if it's convenient, and on the way to an actual quest objective. Don't make gathering your priority.
Galakrond-Alliance-USGalakrond-H-USGarithos-Alliance-USGarithos-Horde-USGarona-Alliance-USGarona-Horde-USGarrosh-Alliance-USGarrosh-Horde-USGhostlands-Alliance-USGhostlands-Horde-USGilneas-Alliance-USGilneas-Horde-USGnomeregan-Alliance-USGnomeregan-Horde-USGorefiend-Alliance-USGorefiend-Horde-USGorgonnash-Alliance-USGorgonnash-Horde-USGreymane-Alliance-USGreymane-Horde-USGrizzly Hills-Alliance-USGrizzly Hills-Horde-USGul'dan-Alliance-USGul'dan-Horde-USGundrak-Alliance-USGundrak-Horde-USGurubashi-Alliance-USGurubashi-Horde-USGallywix-Alliance-USGallywix-Horde-USGoldrinn-Alliance-USGoldrinn-Horde-US