10 Keyword Based SEO Articles Needed

We need 10 keyword based, SE Optimized articles to increase our search engine ranking. They must be 100% original and pass web based copy checks like Copyscape. Each article should each be approximately 300-400 words in length. Article titles will be provided. We expect to revise the articles 1-2 times. All articles must be keyword based and correctly optimized with good keywords density of approximately 2%. The keywords must be mentioned in the first and last sentence as well as in every paragraph throughout the body. We will need you to come up with content that is relevant and interesting, written in simple language using good quality English grammar. You may do your own research on the subject yourself. The work is ongoing and there is an opportunity for long-term work for writers who deliver good quality content. We are looking at paying approximately $5 per article. We will retain the full copyright of the articles. We expect the articles to be completed within two weeks from the date of the agreement. We look forward to working with you.