Now I´ll show you a nice campingspot in arathi basin. This works best for alliance-players because most times the horde will have capped the farm and rezz at the graveyard. If your fraction has all the other 4 bases this is insane
And don´t say it´s not an exploit, it makes you invulnerable to ANY melee-attacks in a battleground, so you can kill a warrior without even getting hurt and thats not the way it´s supposed to be. Be aware that this may get you reported if you use it too often.
If you haven´t already read it - please also take a look at my new guide: Make gold out of the pre-WotLK patch