Articles written for the Internet Marketing Niche.

Hi I require 30 articles written for the Internet Marketing Niche. Experienced writers only with English as there first language and knowledge of the internet marketing niche. I will be paying US$90 for the 30 articles. These are my requirements: - Writers must have experience in keywords optimization. - Articles must pass Ezine Articles criteria. - Each articles must be 450 to 600 (max) words. - Articles must be unique content, at least 70%. - All Articles must pass copyscape. - Articles must be in free flow simple English. - I require to own all rights to the articles. The articles are not to be duplicate or use them in any ways without my approval. Please provide a sample of your work and indicate how long it will take to complete the project. Thank you and look forward to working with you.