That's also a really interesting idea - though the substation one probably. Right now drones capable of lifting a box of cans are well over 1k which is an unec

That's also a really interesting idea - though the substation one probably. Right now drones capable of lifting a box of cans are well over 1k which is an uneconomical one time expense for slightly easier package delivery... and extremely uneconomical if occasionally some neighbor is going to hit your drone with a frisbee or if drone theft becomes more profitable than package theft (which it almost certainly would be).