Article Writer for Long Term Projects

I am looking for high quality writers to write articles (contain) on a regular [login to view URL] job is for long term! All articles must be written by a NATIVE ENGLISH SPEAKING writer or writer from somewhere place with good English writing skill. The writing will need to be concise and to the point. I can't accept articles just filled with fluff words meant to fill space. I pay $7.00 to start per 500 word articles and will increase it with proven reliability and writing skills. The keywords I provide you need to be used in a normal and conversational way throughout the articles please. The keyword/keyword phrase needs to be in the article title, first sentence and used another 5-6 (or less or more) times. The articles need to be informative to the reader with 100% correct grammar and punctuation. Also, the articles must be at least 85% unique; they will be reviewed through Copyscape and Plagiarism Detect for plagiarism. If an article you submit to me does not pass Copyscape or has spelling and punctuation mistakes, you will not be paid for that article until it is corrected and resubmitted to me for approval. You agree that upon sending me the articles, all rights to the written articles transfer to me. This means you will not sell, reproduce or re-use these articles in anyway. Please note that payment will be made only for live articles (successfully approved articles by [login to view URL] staff). Please be able to communicate at least 1 time per day via email or messenger.