Nice write-up!
The only thing I would add is to make sure you have a repeatable way to tram your machine. If you accidentally bump too hard on one side of the x-axis or you make a mistake with one of your jobs crashing into the base plate they might get misaligned.
Then you’re x-module won’t be parallel with your shiny flat wasteboard anymore.
(this is from personal experience: Milling the cnc wasteboard flat (or so I thought): mis-aligned z-axis modules)