Three things I have learned while editing my current WIP

1. I spend too much time on “Where to put a comma” websites.
2. And I promptly forget whatever rules I learned on those sites
3. My chapter numbers are out of order
4. There is a reason people hire editors*

Did I say three? See what I mean?

*She said, preparing to hear from editors who catch all the spelling, grammar, and punctuation errors in the preceding lines.