This is a level of sexism and, frankly, creepy shit that should just not be tolerated at all. What kind of consequences could actually discourage this kind of behavior, I wonder?
Raspberry Pis and other microcomputers can be had for pretty cheap, and they can be put to a surprising variety of tasks. You need to be a bit of a jack of all trades to fully embrace that DIY element, but I'd bet that showing off a project that you mostly built yourself would be seen as futuristic by most people.
You'd want to leave a little space in the containers so they don't burst if they freeze. I think it's still worth having at least some emergency water even if you might have to figure out thawing it.
Vinegar based hot sauces are basically immortal; I've had Tabasco that was like 10 years old before