30 unique marketing articles required in 7 days

I need a ghost writer for 30 marketing articles - 800+ words each to be done within 6-7 days. Topics: customer retention, customer acquisition, customer loyalty, buyer behaviour, advertising, sex appeal, cross selling, up-selling, product promotion, product placement, marketing to seniors, teens, children, women, gays. Articles must be 800+ words. Also articles must be written in a grammatically correct and free-flowing style according to US English. SEO Optimised. And most of all - must be ORIGINAL not plagiarism - I will check each article. Must write minimum 5 articles per day. Must pass [login to view URL] and tests Must maintain good quality and articles should be informative and provide recommendations at the end. Payment after completing the entire task. no escrow. Only Serious bidders please. Native writers are preferred. Willing to pay $1 per article.