Everybody knows WD-40 is the go-to product for silencing squeaks, displacing moisture, preventing rust, and loosening stuck parts. You probably have a can sitting in your garage right now. It has a ton of uses, but it's no panacea. In fact, there are a some jobs that the lube will absolutely ruin.
Yeah, OK, it's a water dispersant not a lubricant. And sure, true enough, you probably don't want to put WD-40 anywhere near your lovemaking parts. But besides all that, I see what you did there, Spanish-language ad agency. [Reddit]
You probably have a can of it somewhere. Save the time searching, pick up one of their limited edition twin packs, and finally fix that squeaky door that's driving everyone crazy.
We don't recommend doing this at home, but it's nice to know that you can. Oh, what the hell. Go ahead and make one. Just be sure all your affairs are in order beforehand.