I'm loving reading all your comments about your process. Would you mind sharing some advice on writing your first ebook? What kind of roadmap should you aim for

I'm loving reading all your comments about your process. Would you mind sharing some advice on writing your first ebook? What kind of roadmap should you aim for? Who should you have edit it? Should you? How much? Should you pay someone to do it? All of this kind of information would be great!