ISP
You want FIOS. 🤷♂️
Router
Switching
Whatever, as long as it's at least 1gb. PoE is nice if you have PoE devices, but making sure you have the right PoE spec can be a pain.
Wifi
DNS (Pi-hole)
A “Pi-Hole” replaces your DNS service (the thing that actually lets your computer find websites) with one that filters out advertisements and tracking, automatically.