“You can—and should—back up everything you store in the cloud”
Use the cloud for data you need to access anytime/anwhere/on any device. The rest should go on other backup media. I have about 400 GB of data that I’m not about to pay to put in the cloud b/c I have no need to access it anywhere away from home. That data…

I agree about the ISP emails - I did that in the late 90's with Hotmail after playing musical ISPs trying to get good dialup speeds. Ironically, I've had my current ISP email address for the past 15 years now.