RJ Crayton has a super post for authors concerning whether or not they should try Amazon's new print book options. She really did her homework on this article. Go to http://www.indiesunlimited.com/2017/03/14/trying-amazons-new-print-book-options/ and read what she has to say. You'll certainly be enlightened. I know I was.
While you're there, read some of the other great posts RG and other super talented authors have on Indies Unlimited. They have new posts every day. I visit there often.