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.
Windows 11 for my gaming and work laptops.
Ubuntu for everything else.
But they saved so much money by having it this short!!!