Articles promoting US immigration websites

Hi, I am looking for someone to write some articles to me for the followings: a. Topics will be in US immigration (teaching people how to become an immigration consultant, we are the leading provider of teaching people to become immigration consultants) I need some articles to put in my website for promoting my courses. b. I need a total of 30-40 articles c. Each articles need about 600 words d. I will give you a list of topics and keywords e. If possible, I would like the keywords can hit about 2% density f. University graduate preferred with native (good) writing skills g. Please provide your writing sample (I might request you to provide me some sample writing for the first one to try as a trial) h. Time frame will be about 7-14 days i. I might request a trial writing exercise before I go ahead with this project. j. The writing should be creative and inspiring. K. If you are agent, PLEASE DO NOT APPLY. I ONLY DEAL with individual writer. L. No robot writing and I will screen thru all the machine writing.