Article Writer and Rewriter Wanted for Swimming Pool topic

This project is for 30 new articles or 20 new + 10 rewrite mainly on the topic related with swimming pool, the related keywords will be provided (most properly 10 set of keywords with 3 articles for each keyword) Job Description: 1. Prefer those with some technical knowledge on swimming pool 2. The series of keywords or key phrases must appear in the title, and a few times throughout the body of the article. The keywords need to appear first 50 words and last 50 words of the article. 3. For rewrite article, the rewrites must be at least 85% unique, for new article it has to be 100% unique (they will be reviewed through CopyScape). 4. The articles must be written as if by a native English speaker. 5. $ 1 per 400~500 words article (Price is not negotiable). Payment with be done through paypal once completed the 30 article and satisfy with it. 6. For article that successfully post at the [login to view URL], additional $0.25 per article will be paid as bonus. 7. Time is not a matter, what I want is quality instead of quantity, please advise me the reasonable time for you to write 30 articles based on the above requirement. We will need more articles in future (30 article per week) if we satisfy with your articles. Please send us the sample of your previous work