Halogen oven: I live alone, and even though it's relatively small, it's big enough for me (unless I want to cook a pizza). It preheats much faster than a regular oven, so meals take much less time to make if I'm just throwing something in it too cook.
Headphone stand: I got a stand that you can hang headphones on, and it's so much nicer than just tossing it on the table or whatever.
Battery powered lamp with a flexible "spine". I have an adjustable lamp which charges via usb and has a flexible neck. It saves the hassle of trying to prop up a phone or something with the torch turned on.
Did you know you can get toilet roll holders that have a little shelf for you to put a phone on? If you browse on the can, they're rather handy.
Extension cables: If you have a desktop or tv, you can just grab some USB, hdmi or audio extensions and swap things using that instead of leaning behind the device.
Egg cooker thingy: I have a thingie that you put a certain amount of water in and it boils an egg using the steam and turns off when done. Saves the effort of setting a timer or boiling a full pan of water.
Kettles: Apparently not a thing in the US? I don't know how you live without them.