I am interested in this project, as it is something that sounds very easy. I am a native English speaker and an American, I have experience writing, re-writing and editing articles. Given the length of the articles, I would be able to re-write at least twenty (20) per day.
If I am chosen for the job, please ignore the milestone; it is simply a requirement when one expresses interest in a project. In addition, I do have a PayPal account; though I would certainly be willing to accept payments via Freelancer's method if I am selected.