Rules:

Doing this would cause light seeking bugs to fly into your mouth which you could then eat (exerting 0 energy to do so) you could just lay around all night with your mouth open eating bugs instead of doing something that requires skill or knowledge

Now of course some bugs carry diseases and are dangerous to eat so alongside the led light you could have some sort of bug bag/bug mashing bag where you can spit bugs out into it and mash them up to then boil or cook (if you have the necessary tools) thus curing them and making them safer to eat

Hey guys, my name is Shevvy... I scavenge and come across a eclectic variety of items, new or new condition. I figure you guys would be the best one to advertise this to, maybe catch someone's fancy:

Never removed from packaging, so brand new quality emergency fire blanket made from 100% glass fiber, 430GSM. Is a unique find, and certainly something that's intelligent to have on hand in case of a fire for this is apparently the best thing to extinguish it. I'm saying 20 bucks or give me an offer.