Article Writing - $5 for 500 word articles 4

Hello, I am looking for a writer(s) who can research well and submit clearly written articles optimized for SEO. The writers I will hire are preferably knowledgeable in certain fields, medicine, conditions/diseases, entertainment, etc. The chosen writers will be paid $5 for every 500 word article. As such, I will expect quality with regards to article information, grammar, structure, and flow. Additional details: - Specific keywords must be integrated in the article - A format will be given to the chosen writers which they must follow. - Every writer must submit at least 4 articles a week - Articles must PASS COPYSCAPE and DUPE PRO. Payment will be every two weeks. Initial Payment will be given 5 days after the first 4 articles are delivered. - All rights to the articles will be transferred to me once i paid for them. - I will give feedback if I think there is room for improvement I have numerous websites that need articles and I can certainly keep someone busy. The majority of my sites are of medical conditions/diseases as well as several other non-medical niches. I'm looking for 500 word articles for each page that I need on my sites. Writers who show technical expertise and excellent research skills will be preferred. Good luck!