In my experience it's been totally unlimited. I try not to abuse it, but when I re-image my desktop, Backblaze will end up uploading multiple terabytes (even th

In my experience it's been totally unlimited. I try not to abuse it, but when I re-image my desktop, Backblaze will end up uploading multiple terabytes (even though I've inherited the backup state and the drive/directory structure is identical). I've never had a single issue. The Home Internet service is 100% deprioritized compared to postpaid cell phone data, so they really are selling "excess" capacity.