30. Stop squeaking door hinges.
The squeaky and irritating noise of door is annoying. To fix it, put petroleum jelly on the hinge points of the door, and your problem is solved.
Which of these uses surprised you? Do we miss something on our list? It will be nice to share something with us and to your fellow readers. Are you an avid user of petroleum jelly or we changed the way how you think about this super item? We will wait for your take on this article. See you in the comments below!