Huge amount of Articles Required (NATIVE WRITERS ONLY!!!)

I have tons of projects and more are coming, so we want efficient native writers who can deliver 5-10 articles performing constantly on quality and deadline. So Bid ON! I need these qualities - No plagiarism or rewriting will be allowed - All copyscape passed articles, copyscape premium is a must - Smooth deadline should be maintained - Previously experienced writers are appreciated - Only Native Writers are asked to bid - I will pay $1 for per 500 words article - Both Paypal and GAF Escrow System are available. - Bid without a sample will not be considered. If you are interested then please Bid $30 and write a sample article on “Why Is Search Engine Optimization (SEO) Necessary to Build Your Web Traffic” Otherwise "search engine optimization tips and tricks" or "On page and off page Optimization "of about 400 words. I have more and more constant project, so if you can prove your skill, I will surely provide you a task. So, only the serious and native writers are wanted