Shoutouts to @sbv@sh.itjust.works BUY BIDET NOW. Obligatory comment about wiping shit off your hands with dry paper goes here. Wash your ass. I have two bidets BTW and I use Arch Linux BTW.
Wall mounted soda can crusher. Recycling space saver.
Powered water fountain for cats. They instinctually prefer running water.
I bought the Swiss Army Knife of memory foam pillows that has sections on both ends for side sleeping, a dent in the middle with a neck support sticking out the bottom for support while stomach sleeping, and it works for sleeping on my back too. I don't really have a discernable favorite position, so I love the multifunction pillows.