I can answer Q1. The order definitely does not matter. All the drives are aware of who they are, so when you import, as long as they are all present, you’re good.
I’ve been using RecipeSage for a while now. It replaced Paprika for me. Runs easily in Docker, and it can create a recipe from a URL.
Surprisingly, I’m going to make my money back quick. I was previously using older Supermicro machines and small hard drives that used a ton of power. This thing let me downsize power-wise (like a LOT), and I doubled my total capacity.
Asustor LockerStor 10 with 12x 20TB Seagate Exos X20 (2 reserved as spare drives).
Clocked in around $6500 for everything, but totally worth it.
Assuming they have their own wifi, they just don’t want you using wifi off of your own router. A wired connection should be fine.