This advice from a website call truthfully.com. Right away you know it’s B.S. with that name. Saying “truthfully” is the same as saying “I’m not racist but…”
First of all you should not put anything under your bed because it tends to piss off the monsters that hide under there and you DO NOT want to do that. But if you have cordial monsters, like those in Monsters, Inc. then you might make use of at least part of the needed storage space. The article suggests against storing food and snacks (especially fish and dairy), clothing, important documents (in case you soak through the mattress), weapons (including C4 and high-grade plutonium), photos (or I assume pornography of any type) and sentimental items (like the used truss crazy Uncle Zippy gave you for your 18th birthday).
The really interesting one was electronics because any energy or impulses emitted from the equipment might upset the harmony of the Feng Shui. It doesn’t take a Feng Shui Master to understand electronics can wreak havoc on the serenity of your home. But if you are concerned about your ch’i, I do provide a free, no obligation Feng Shui evaluation of your dwelling including a sweep with my modified Proton Pack and Neutrona Wand made in China specifically for this reason.
If your home is weird, and it don’t feel good, who you gonna call?
(Wow, this post went off the rails really quick. Oh well, read at your own risk!)