Well, you have to look into it to get the answers.
For example, you can get a burner smartphone plan for $40 or $50 a month that will give you at least 3 GB of data. That’ enough for any normal browsing, but not TV downloading.
A lot depends on how data-hungry the people will be. Movies? Or just web browsing? And there’s another factor... it’s got to be easy to use, with little or no learning curve.
I live the art instruction videos that have appeared on YouTube. But they cost me an arm and a firstborn!! You are right. But I do envy those who can live stream...