46: Unfreeze Your Key Hole
When it gets below freezing outside, your car is directly in the line of fire. If you have to leave for a job early in the morning, you could face a potential Popsicle on wheels. There is an effective hack to unfreeze the keyhole, though. Simply pour some hand sanitizer on the keyhole and the ice will quickly melt (via Luxurlist). This hack could be the difference between making it to work on time on a cold winter day or not.