Article writing for long term

We are looking for long-term article writers who deliver high quality articles. We are looking for well thought out articles that use actual research or facts where appropriate, and the articles should be interesting to read. Quality writers with a fast turnaround can look forward to more work in the future. REQUIREMENTS: All of these articles MUST pass copyscape and be written in your own words. You must understand SEO and how to place keywords in an article. Keyword must be placed in such a way that it makes grammatical sense. I will provide you with the keyword phrases & website urls but you are responsible for creating the article titles. $1-$2 per 400 word article. Please reply with samples.