I'm going to be trying out a freelance editor for developmental editing later in the year — you might consider that for your indie stuff, if you're concerned about it! (susankayequinn.com)
I personally had three rounds of developmental editing done on my own book, if that helps to provide some perspective. (leahcampbellwrites.com)
What you didn't know that I was doing developmental editing on the side? (jamigold.com)