10 keyword articles

We require 20 articles to be written on a niche topic. Please do not bid if you cannot complete all 20 in 4 days' time. We need you to send in 5 articles by each evening. Immediate payment on receipt of the last batch. Each article should be approximately 450-500 words in length. The quality of information provided within each article is important here. The articles need to be informative and interesting reading. You will be provided with the keywords. This project will lead to further work for the correct individual. All articles must be completely original. They must not be copied from existing articles or other 3rd party material, and appropriate copyright checks will be made to ensure this.