Not practical advice, but since you’re throwing out alternatives, one that I’ve had my eye on is hexOS.
It’s a trueNAS scale (fork?) by a bunch of ex-unraid devs with the goal of making trueNAS as easy as unraid.

It still has a few more months of beta, though, so I haven’t tried it. Also, like unraid, it has a paywall.

I don’t trust my setup for something like this.

My server and NAS go down in a fire, and I’m not gonna have the key I need to get the backup so I can restore my password manager lol