First of all go to profession materials vendor that sells "Souldarite", then you need to empty your 4th bag.
Once you did this you need 2 macros.
Macro 1:
Macro 2:
So you place the macros on your bars, and you press Macro 1 and then Macro 2 consecutively (spamming)
You will get gold!
Tested on Wow Sulvus.