Using beta readers with your darlings.
I'm reading through and pulling all my beta reader feedback into a Word doc. This has been a fantastic process. So many things to ponder, so many times I was nodding with a smile when the desired effect came across.
Definitely more work to be done, but I have so much faith in this story now. So much faith in my characters. Having a beta readership was one of the best things I could have done for this book series.