i need high quality original ezine article

i need 13 ezine article. 13 article x 2.5 USD =32.5 USD. i will check all article(must be minimimum 501 words) with copyscape and submit to ezine article, once ezine approve all my article i'll release payment but i'll milestone full payment(32.5 USD). article must be 100% original, without grammer mistake, keyword rich(in 501 words article, keyword should appear at least once for every 100 words that means 5 times for 501 words articles), interesting and reader engaging.