Ok, so I've tried Proxmox on a spare Lenovo L480 laptop that I had, which has an 8th generation Intel CPU, 8 GB RAM and a 250GB SSD drive. I originally thought to buy a mini PC, but this seems to work ...

I'd like to virtualize an opnsense firewall on my Proxmox box. My mobo's onboard NIC has two 10G ports, and I think I will need to add a third (have an Intel 1G NIC lying around somewhere here) for ...

Yeah, I've made some of these mistakes in my early Proxmox days ...