Things that can be wifi: my light switches and anything that might’ve had an analog timer back in the day. Anything critical? You can buy an analog sensor that will beep if it’s out of limits, like a freezer alarm.

The rest can f right off.

Everything having connectivity is cool, I like automating stuff, the issue is it feeding all of your information to a company to profit off of it or worse.

So basically another Carrington Event. Which is actually not impossible, and nobody knows what would happen if a geomagnetic storm of that size would occur today.