>My grandparents used to harvest most of their food from the farm around their house. I do that. To a much greater extreme than most people: all of our dairy,

>My grandparents used to harvest most of their food from the farm around their house. I do that. To a much greater extreme than most people: all of our dairy, meat, eggs, vegetables and most fruit comes from our yard. >The only problem is that they had to work every day all day on those farms. I spend about two hours a week doing it. Clearly you do not have to work all day every day to grow your own food. >Robotic farmers allow us to dream of a world in which people can grow their food locally without having to do the manual labor or rely on large-scale farming. So did permaculture. This is already a solved problem. The reason it is not done is cultural, not technical.