Dean Wesley Smith is blogging about the production process for his ebooks and POD books.
Smith gives an actual breakdown of the time it took him to do a collection of short stories.
When reading this post, be sure to read the comments section, too. Smith includes some additional information when he's answering comment questions.
So, if you're worried about how much time it will take you to get that ebook out to your readers, go to Dean Wesley Smith.
Let Panzer know if this helps you!