Bear in mind anyone that you hire from odesk needs to spend an hour watching the tutorial which will be far beyond anything they have ever done before, which will then require time for them to get comfortable with that.
So its hardly worth doing for a one time job/fee/project
I’ve done manual spinning of articles: 3 sentences deep and then words carefully spun. Grammar checked to the nth degree. I would say that a “properly” spun article of 300-500 words to 200% spun would be worth $200, minimum.