Life hacking refers to any trick, shortcut, skill, or novelty method that increases productivity and efficiency, in all walks of life.
This thread is for posting any promising or interesting ideas for lifehacks you've come up with or heard of. If you've successfully implemented your idea, please share the results. You are also encouraged to post lifehack ideas you've tried out that have not been successful, and why you think they weren't. If you can, please give credit for ideas that you got from other people.
To any future posters of Lifehack Ideas threads, please remember to add the "lifehacks_thread" tag.