You know, during wwII in france, on farms, food was confiscated, all the food The only way to keep some food, was for instance to let the chicken loose around the farm, in the bushes so they weren't confiscated by armies ... Forget about the industrial way of doing things, it's not suited, it's suited for commerce in a functioning world. You no longer have pesticides for instance, so I would say, raiders are somehow the least of your concerns in that context, you aren't going to be able to run a gigantic farm, forget about it If you can handle a modest garden to provide for 1 to 3 persons, that's already fucking great