I'm buying old world mats currently listed below:
Current realms I'm buying these for:
[US] Mal'ganis (Horde or Alliance)
(I update the list frequently, so keep an eye out)
$1 per x 30 (up to 2,000 units) [Khorium Ore] Khorium Ore - Item - World of Warcraft
$1 per x 5 (up to 3,100 units) [Primal Might] Primal Might - Item - World of Warcraft
$1 per 50 (up to 2,500 units) [Primal Water] Primal Water - Item - World of Warcraft
These are starting out prices, if you farm
add me on skype if you'd like to chat about this post