Squeak-proof your wipers with rubbing alcohol! Wipe the wipers with a cloth saturated with rubbing alcohol or ammonia. This one trick can make badly streaking & squeaking wipers change to near perfect silence & clarity.
Ice-proof your windows with vinegar! Frost on its way? Just fill a Vinegar contains acetic acid, which raises the melting point of water---preventing water from freezing! with three parts vinegar to one part water & spritz it on all your windows at night. In the morning, they'll be clear of icy mess.
Prevent car doors from freezing shut with cooking spray! Spritz cooking oil on the rubber seals around car doors & rub it in with a paper towel. The cooking spray prevents water from melting into the rubber
Fog-proof your windshield with paper towels. Shaving cream has many of the same ingredients found in commercial defoggers. ! Spray some on the inside of your windshield & wipe if off with
De-ice your lock in seconds with hand sanitizer! Just put some hand sanitizer gel on the key & the lock & the problems solved!
I can't vouch for any of these, but I plan to try them. Let me know if they work for you, okay?
Actually, I do have one tip for winter: move further South! If our winters keep on like this one, I'll be following that advice!