SEO Article Writer Needed

I need 70 articles written on a variety of financial topics, everything from mortgages to insurance, written by a professional who understands SEO. Articles must be between 400 and 500 words in length and be targeted towards keywords which I shall provide. I will expect one article per keyword phrase. Articles must adhere to the following guidelines: 1. Be written in a grammatically correct and free-flowing style according to US English. 2. Contain between 3.5 and 4.5% keyword density 3. Contain a title, 250 character abstract, and complete article body 4. Article body must be at least 400 words in length and no more than 550 words in length 5. Be submitted in .txt format 6. Be completely original, no plagiarism (each article will be checked both electronically and by a human editor). In accepting this contract, you agree the buyer (me) and only the buyer will own the copyright and all rights to the work. You may not publish the work in any way. Please do not apply unless you agree to this stipulation. Please include at least one sample piece with your bid which represents the quality of work that I can expect for this project. The MAXIMUM budget I can afford for this project is $100.