Squeaky doors are super annoying. There is nothing worse than trying to be quiet at night and waking someone up with a loud SQUEAK! Here are 3 easy and quick ways to solve this problem.
It makes sense to start with the most obvious solution, WD-40. Then spray WD-4o directly onto the hinge while working the door back and forth. I like to put a paper towel around the hinge while spraying to keep the oil off of the wood. Keep in mind WD-40 is technically not a lubricant so a silicon spray actually works much better. However, most homes have WD-40 readily available and it will work as a temporary solution.