I remember about six years ago, I got a notification from them for using too much data. When I spoke with them, I said I needed more data (we get everything over the internet, there are several of us here, and I also work from home). I needed to know what my cap was. They wouldn't say. They just said that I had gone over it and if I went over this non-specific cap again, I would be banned from service for a year.
Fine, then how can I buy more bandwidth at the same price? Can I just buy a second account and double my bandwidth? Whatever that cap might be? Nope. What options do I have? Nothing. Sorry, we can't help you.
When I moved, a Comcast person came by to offer me service and told me about their business offering. That is what I use. I have never had a problem with it. Granted, it is much more expensive, but at least I can generally do what I want.
I pay about $180/mo for 75Mbps down and 15Mbps up and generally use a couple terabytes per month.
Gosh, you're so unreasonable! Why do you need so much bandwidth?
It's ridiculous that anyone would ask that question in this day, but they do. And they ask it accusingly. How dare you use a lot of bandwidth. What kind of monster are you for wanting to use internet services? JUSTIFY YOURSELF!
First, we use Netflix. That is 2-4gb per hour per stream. With four people living here, that's an average of maybe two hours per person per day or 750gb/mo.
Second, we use a remote backup service across six machines and that comes out to between 50-500gb/mo.
Third, we consume a lot of podcasts, video podcasts (easily 1-2gb per episode), streaming music, streaming radio, youtube, live-streams on twitch.tv, two of us are constantly VPNed into work on at least one box, VOIP (often with video), video games, and countless other things. Multiplied by the several people that live here.
As more content is available over the internet and in better quality, this consumption will only increase.
To live with 75Gb/mo per person in the modern age when you get all of your entertainment and work and communication over the internet is ridiculous. And charging obscene overage charges is abusive.
Especially after we have all already dispensed with the "but bandwidth is a precious limited resource, like oil!" nonsense.