Im looking for a copywriter for long term cooperation. I need articles about diseases and various human disorders. I need someone who can write without grammatical and spelling mistakes, someone who writes SEO-friendly articles. I`ll deliver keywords for each article. I prefer communication in yahoo mesenger / Skype / ICQ, but in some cases I`ll accept email. Please suggest a price for articles 400-700 words long. Then ill chose the lowest priced offer ?