If you can only put in a couple of hours

If you can only put in a couple of hours a day then don't expect to get to level 60 very quickly, the more you play obviously depends on how good you get with each new experience will could find an easier and quicker way of doing things. Two of the main ways you can gain experience Buy WOW Gold and start levelling up quickly are grinding and doing quests.

So, a bit about questing. Questing involves going through some predetermined quests or tasks given to you by non-player characters within your game

While some of the quests can be easy for example, "Kill xx number of a certain type of enemy" other quests can turn out to be a bit more difficult and may involve travelling Cheap WOW Gold between more than one map while performing numerous tasks to finish the quest.