1. Which profession(s) you need leveled.
2. From what level to what level (E.g., 150 - 600)
3. The maximum price you're willing to pay
4. The time range (E.g, within 4 days)
I will get back to you and let you know if I think its worth my time farming.
mats I farm will be based off of these guides: http://www.wow-professions.com/profession-leveling-guides
I suggest you use those guides to level your professions as well.