What's the cheapest thing you had bought that by the end of its usefulness made you say "wow, this was worth a lot more than what I've paid for!"
Mine... My Xbox 360 slim only costed 129 euro back in 2012 and to this day still work like brand new, you would think that the disc drive would stop working but no. Never had the need of open it or clean it's insides. Still great, I just don't use it anymore since I feel it's outdated and loading speeds are better nowadays.
This smartphone I bought used for $20 almost a decade ago had been a pretty good deal... Other than that, a tea ball for loose leaf tea (couple dollars)... Maybe Minecraft back in day ($13)...
Also always glad to have a plunger (just regular one) whenever I need it. Hmm
Oh I know! A legit big flashlight that I keep by the door. Everyone has a light on their smartphone, but there's nothing like busting out the flashlight when you just want to see.
Pro tip: always leave it in the same exact easy to reach spot, so you can find it in the dark
I have a pocket flashlight, the Acebeam Rider. The smartphone lights are handy, but they drain the battery. The flashlight has an AA-sized rechargeable battery, but it can also use regular AA batteries as a backup. That is important during an emergency, when power might be cut off but AA batteries are pretty common. It has 4 different levels. The top level is pretty bright for a pocket flashlight, while the ultra-low level has a hypothetical runtime of 58 hours. And it was fairly cheap, so if I drop it somewhere it is not as problematic as losing my expensive smartphone.