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> I am waiting for this kind of tech to become viable for smaller 'hobby' type farms.

And, you know, cheap. And usable in difficult terrain.

I can't imagine my father, or any farmer who does their job at small scales here in developing countries, being able to afford technology like that.

They're very smartly having this work as a tractor attachment so they're not reinventing the literal wheels. For small farms, a scaled-down version could be pushed along like a wheelbarrow or attached to something like an ATV or ride-on mower.

But at the home garden scale, I'd like to see a dog-sized spider-like robot that would roam the block doing this. It can be very hard to keep soil weed free, and then weed it once it isn't.

> I am waiting for this kind of tech to become viable for smaller 'hobby' type farms. you know, under 100 acres.

Yup. I've got four acres of grass that I'd love to farm... without having the farm be a full time job.

Actually you would hire the "drone guy" to spray your fields. No need to buy drones for use a few times a year.