Windows 11 for my gaming and work laptops.
Ubuntu for everything else.
The xfi gateway ($20/month) gives you unlimited / no caps, but you have to have their gateway. Otherwise it's $30/month for unlimited without their gateway. The gateway can have the bridge mode turned on quite easily through the Xfinity website.
I use restic to backup my raspberry Pi's to my Synology NAS and backup my NAS to backblaze.