If doing Unified (or other similar style), think about doing network drops on the ceiling (PoE).

Run a thunderbolt or fiber cable from the utility/server room to your office if you want to rack mount a computer and just run it from the office.

Make sure there are outlets on the side of the house for outdoor lighting if desired (or Christmas lights).

i5-9600k (OC to 5.0 GHz) or a i9-9900k are about as good as your going to get with your mobo.