A cheap good innovation?

looking for a good cheap innovation do to on something! anything to make life easier or cooler! W.E!! HELP!

I would like to have a device when I pan gold that moves the pan for me instead of making my arm tired. I got blisters on my hands from it. Gold panners will pay for it, trust me.
when they make fake granite countertops, put some SIRDS in them

and toilets trhat heat the sh it to 135
make a car out of a living tree, so you only have to fuel it with water and sunlight.
PS if you are a nerd, please calculate the speed of the car, using the energy from sun and water, metabolism speed, growth rate, and phototropic and nastic response (which is what would move the car)

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