Need reliable spinner - 20 spun articles, long term possible

I need 20 articles spun. Here are the terms: 1. I need a seed articles as an outcome - articles need to be provided in spun syntax 2. I need human spinning (not automatic) and spun articles have to be readable by human 3. articles have to be spun in English language 4. spun articles need to be readable and must make sense when read 5. level of uniqueness need to be at least 40% for spun articles All 5 terms have to be met to consider the project sucessful. Because of bad experience, only payment after completion or payment in stages after X articles finished will be accepted. Deadline is 6 days from the day when I will choose the bidder, but I can be flexible here if needed. Bids above $2 per article will not be considered. Price is an important factor as I am looking for a long term reliable article spinner.