Yeah, I concur, I'd love to help you out, and thanks for the invite, but $5 a day to rewrite 9000 words isn't really reasonable. However, if you'd be alright to pay more and sacrifice a little bit of time, I'd be happy to do a good job for you. I hope you consider my offer, as I am serious, but I do think you're underpaying slightly for a lot of work.
Thanks,
Lee