Oldie, But Goldie Avoiding Repair Bills WOW GUIDE
This may be off special interest to warriors/plate-wearers 
Carry a stack of demonic runes or dark runes on you. When you are about to die, pop a rune so that it kills you. If you time it right, and the rune kills you, you avoid the repair bill.
Warlocks have another option; Hellfire. Lifetap down to low and start Hellfiring. If the Hellfire kills you….no repair-bill fo joo
