In the end it depends on the readers themselves. In my story, a lot of people like the MC being powerful, yet vulnerable to some things but there are people who just says that the MC is beta or weak or a coward -_-
For me, an unlikeable MC is a hypocryte. Others, I can still ignore and enjoy...
Depends in your budget and how much you want to invest in your story. Well, I can't really say much other than that since I am an author and an artist as well so I make my own stuff. I'm just an amateur artist though. :P
In my opinion, though one chapter per day is good as a reader, it isn't advisable for authors who aren't experienced doing it. It also depends on your story and how you write it. If your story is a well-thought out plot with lots of details, foreshadowing, and character development, then it is...