Couldn't find our old thread blue-skying about a mower using 'local' gps.
Draw On Your Lawn With This Autonomous Mower And RTK-GPS | Hackaday
https://hackaday.com/2020/08/16/draw-on-your-lawn-with-this-autonomous-mower-and-rtk-gps/
Ardumower Kits
https://www.marotronics.de/Ardumower-GPS-RTK-Kits-GNSS
I'm thinking a robot trimmer/edger would be nice too.
Cutting edge technology! :)
I remember reading about driverless tractors some time ago. There are grain carts that will sense the combine is full, message the tractor, which will pull the cart alongside the combine to allow it to empty.
Some farmers I talked to about it said,"But what will our kids do?"
https://www.farm-equipment.com/articles/17489-john-deere-reveals-new-driverless-tractor-concept