Note: All the profession guides are going to come from the same website because quite honestly, they are the best guides i've found.
Crafting Professions: Gathering Professions: Secondary Professions:
Alchemy Herbalism First Aid
Blacksmithing Mining Archaeology
Enchanting Smelting Fishing
Engineering Skinning Cooking
This spot will be developed later on. With cataclysm comin out soon there no use in taking time to make it now. My personal opinion though is to level through the Dungeon Finder option, its good and quick.
These methods take practice and are by no means a "get rich quick" scheme.
The Number one easiest way to get rich in wow is honestly by farming, No one wants to hear that but it is. But what do i need to farm you ask?
Heres the list: