Here's an oldie with a twist. Use pieces of garden hose or other tubing to soften the jaws of slip-joint or other pliers so you can grip plated surfaces without damage. The twist? Size them so you can slide them up the handles to keep them handy.
Need an emergency recharge for you phone? Do you have a car charger handy? Or a 9 volt battery and a quarter? Then you can recharge your phone during a power outage or if you're somewhere it isn't convenient
I needed to enlarge a previously drilled hole. Since I couldn’t use my hole saw’s pilot bit to center the hole, and I didn't have my drill press with me, I had to come up with a solution. What worked for me was to connect two hole saws together.