Fastest way would still be buying materials off AH, IMO.
Crafting gets progressively easier each level, with less and less mats needed since each new recipe in a higher level gives a lot more of business currency.
If im not mistaken, the first level of crafting was my hardest with my ranger, most recently. Got easier as it got higher levels needed.
I'm not sure of prices now, but last I did mine, I only bought stacks within 2 gold. Much faster farming the 2 gold per stack rather than farming the stack itself.
Of course, Moog :) you know how anti-cryer I am too, in excess of course. I can use a good cry once in awhile :p