1$-2.5$ Article Writer Needed for long term (400-600 words)

Please read before replying. I need someone who is good in English. I would be needing 100-200 articles per month. 1$-2.5$ per article depending upon the quality. I can only pay by PayPal. Payment would be made in batches. Requirements: Articles must be original and must pass CopyScape. No spelling or grammatical errors. I will have the copyrights for all the articles written. Must be able to communicate when required via Yahoo/MSN messenger. Send me some sample articles you wrote. And provide me this info: Maximum articles you write in a month? Are you available on Yahoo/MSN? Whats your rate for writing 400-600 words of article?