Feedback/Desperate For Attention #4: Live Story Tracker Tier? (Patreon)

As a writer, there's only so much I've got to offer for rewards stuff to bring people in. As something I offer commissioners anyway, I do keep my writing on Google Docs (online word file sharing; super convenient instead of emailing myself constantly).  I was thinking of offering something at maybe the $3 tier to let folks have access to the Google Doc as they're started; extra early access, and even able to comment on things as they come. I have mentioned that Sarah Steele is about half done now, so it would mean having a preview access to it. 

I do know some folks would rather just get the complete product, feeling spoiled by notes or future segments or just seeing incomplete paragraphs I've set up.  Some would also say they'd drive themselves nuts checking for updates. Thoughts on giving donors access to the "live" writing before they're done?