Niche articles wanted!

I'm looking for well-written English articles about niche topics (those that have not been overly published online). If you have articles or are willing to write them, please read on. Rate of pay is USD $1.00 per article, delivered via paypal on the first and 15th of every month. All articles must be free of grammatical or spelling errors, and must be written with personality. These articles must have a keyword density of 3-5%. Use the attached Dupefree PRO program to check. If you choose to rewrite an existing article, the duplicated content rate must be no more than 8%. Use Dupefree PRO to check. The articles must not be published elsewhere. Any duplicate content will result in immediate termination. Articles must be 400 words or more, and include a source. Articles will be reviewed for quality and originality. Due to the high volume of articles received, this process can take up to a week per article. Each article must be presented in a specific format, which will be given to you if I accept your bid. More than one bid will be accepted, so go ahead and bid if you wish to work Finally, these are articles on topics that you choose and write. I will not be submitting articles for you to rewrite. If you agree to these terms, include the word "Ethic" in your private message.