The only acessible element is the webserver. Fileserver, home automation, octopi, proxmox, media, etc etc are all isolate.

DynDNS. That will give you a hostname, but check if your ISP offers a static IP tbh. Client side shouldn’t matter overmuch if you’re returning requests it’s made

Just use the rdp wrapper. https://www.helpwire.app/blog/remote-desktop-for-windows-10-home/

It works, i’ve used it in professional settings no worries

Slap dos on it and go old school gaming

Got an e sata port?