Article writing

I need 20 articles done on a monthly basis. All writing must be original and unique, I have several programs that cross checks the web for duplicate content so please be original! I need the following on a montly basis: 20 articles (500 words) about home based business, making money online and marketing on the internet. I need to have key words. These articles can be about anything regarding home based businesses, tips,tricks,advice and anything else. Included should be a description of what the article is about and a subject header. These articles should be SEO optimized by using appropriate key words. I'm also looking at several articles on particular person. Details will be provoded. Writers must posses a strong control over the English language. Please don't respond if your writing contains broken English or unusual vernacular. I look forward to working with you.