Life hacks might seem to be a modern invention, but they’re not; they’ve probably been around as long as the need to communicate with another human has.
“How’d you light that glowing thing?”
“Fire? I rub these sticks together until something happened. Don’t touch – it’s… hot.”
Here’s a vintage life hack for fixing those squeaking doors; with winter coming up for those of us in the northern hemisphere, this might just come in handy if you don’t have any WD-40 on hand.