I built a server a few years ago in a Fractal Design Node (big square box) which has 4 6TB drives in raid 5 for 18TB of storage and a 6 core AMD cpu. It cost around £1200 and half of that was the hard drives.

It’s been really good, so if you’re looking to build one yourself I’d recommend having a look at the case and the price of drives.

(quoting from wikipedia) In 2023 a group of engineers modified a dynometer to be able to measure how much horsepower a horse can produce. This horse was measured to 5.7 hp (4.3 kW)

Inkscape works well for this.

You’d probably be better off picking a normal distro and then running QEMU to run Windows or other VMs. Proxmox is more comparable to VMware ESXi in that it is designed for running server VMs and managed through a web ui.

When you say you want to use proxmox as your daily driver, what sort of things are you wanting to do with it? Are you going to be spending most of your time inside a WM, and want to be able to switch to a different VM? I’m struggling to see your use case.

Yes, Picard should be able to add the tag, flac support is great

Depending on which format your music is in you can store a star rating in the metadata of the file.

This sounds like a job for a raspberry pi 5 with an m.2 hat for storage, software is a less important choice here, so ubuntu’s raspberry pi flavour would be my choice. Just make sure you give it power in a form it likes.

Jellyfin has ebook support and allows you to download them for offline reading, which I reccommend because the ebook viewer is very basic

Are you able to change the ip address of your current router?