Your job is to rewrite and expand a sales letter. You must have experience in writing sales copy, a fast learner. I will provide you the original letter and the ebook I want to promote. You don't need to reinvent the wheel, just follow the proven system and apply to this specific project.
Please send me some samples to show what you have done before. If you have any question, feel free to contact me.
If you do the job well, there will be a dozen or more sales letter writing/rewriting job on the way.