Thanks for the hints, great list! :) I'm a software developer and Ubuntu/Windows sysadmin, so reading wikis, writing shell script and tinkering with the OS is nothing new to me.
On my private Medion laptop, I even got vanilla Arch installed the hard way by following the guide on the wiki (without install script). I took a picture back then while I was creating partitions and the filesystem:

I did this as a challenge for myself and to try hyprland. Didn't have the time to fully customize the setup, so I chose EndeavouOS as it provides a good base.