Save the bacon grease
I was thinking just that a couple of days ago. I was wondering where to find a tin can (and filter) to start saving.
(Used to use paper towel and rubber band decades ago, but I am sure there is better by now.
My mom grew up in WWII England. She was from a lower working class family, but a family that was even poorer than hers would send a kid over to their house to get their “dripping” so they could make “chips”. I bet they were good.