Did you ever have a friend who always had the right answer to your troubles? How about a relative who was worldly and wise but funny and approachable? Your Auntie Mame is all that and more with her traditional sensibility and cutting edge approach to your most vexing problems. She’ll make you smile while telling you things that you might not want to hear.
Smashwords Style Guide
on April 12, 2013
I hate to say it but I suspect the clumsy process & vague error messages & links to new pages are intentional. I fear that the goal is to frustrate the user after he/she has bought into the process and therefore ensure they will pay the extras to just be done with it.