We all know that the Fire Festival gives tons of gold for doing all the quests at 70, but I realized that if you complete them on a character that isn't 70, you get 3% of your level for doing friendly ones, and 6% for dousing flames. You pretty much get free xp for clicking on flight paths. I'm 80 percent done with level 48 in an hour without killing any mobs. This is awesome for people that are in that awkward range of leveling pre-bc. Hope this helps some people =D
edit: You can also pick up the flames for an opposing city flames, even though you can't start the quest till 50. I have no idea how much xp they will return D=