Article Writers needed on Long term basis for $1/500 words article.

I need article writers/rewriters who can write/rewrite in correct English on long term basis, American origin is preferred. Every article must be unique and informative and must pass copyscape / plagiarism check. This will be a long term project. Only bid if you can accept my rates ($1 for a 500 words article) I need minimum of 5 articles per day. You will be required to provide a sample article to get accepted, Payment will be through GAF escrow only. If reliable will pay through paypal. Thanks.