

None of your listed use cases will even come close to taxing the 6600k. It’s going to probably sit happily in idle states most of the time.
Proxmox also has great snapshotting and backup features. Makes it easier to mess around with your containers/VMs without worrying too much.
I’ve given up after years of looking for a solution. I just use https://www.livesportsontv.com/ these days.