basically its common knowledge but maybe somebody never wonder about it, its easy way to make some profit for ur mid lvl char
i “discovered” it when I tried get Lil Smoke pet.

if u r an engineer 200+ and hit lvl 30 u will choose ur specialization: goblin/gnome engineering (for me: i picked gnome engineering [IF tinker town] and i recieved Gnome Engineer Membership Card [after some q], if u destroy the card u can renew for 2G from gnome engi in tinker town and u will recieve gift in ur mailbox [after24 hours] and u have small chance that u get nice non-combad pet Lil’ Smoky

its cute and make lots of smoke and noise

in gifts are enginnering creations,
i had:
1st gift: 4xUnstablle Trigger
2nd: 2xMithrill Casing
3rd: 2xMithrill Tube
4th: 3xUnstablle Trigger
5th: 3xmithril Tube
etc..

so, heres the math:
one renew card = one gift (after 24 hours) = 2G (that u must pay)
and on my server i can easy sell in AH:
Unstablle Trigger 2G per piece
Mithrill Casing 3G per piece
Mithrill Tube 2,5G per piece

depend on ur server economy..

so this is very easy pocket money for ur mid-char and u have chance to obtain recipe for nice pet

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Tags: engineer, farming, wotlk, wotlk-guide, wow, wow-gold-guide, wrath-of-the-lich-king