Articles Needed @ $1/each article

I will be needing at least 100 articles each month (probably more) on various topics. I will pay $1 for each 400-500 word article. I would like the articles to be grammatically correct, so please only apply if you speak good English. Payment will be made within 48 hours after I receive the articles and this will be an ongoing assignment if I am satisfied with your work. All articles should be 100% unique and be able pass CopyScape. No spelling or grammatical errors. I will obtain full rights to the articles and they will never be re-sold or distributed elsewhere. Writer needs to be able to communicate when necessary through Yahoo or MSN messenger. Please provide samples with your bid and let me know how many articles you will be able to write per day/week/month.