My grandfather on my mom's side was gassed badly in WW I. By the late thirties/early forties the heart and lung complications eventually kept him from working. To survive my grandmother kept a milk cow and raised a calf every year and had a year-round garden. She would also kill a wild hog or two in the winter for meat. To get money for clothes and food that they couldn't raise, my 8 year-old mom and her 4 year-old brother ran a trap line in the Big Thicket near Evadale. They checked it daily, skinning out the nutria and such that they caught. She said that a bobcat or coyote were occasional jackpots, as those pelts brought more money. The real jackpot was a river otter they once caught. She had a .22 that she would shoot rabits and squirrels with, as well as dispatching trapped animals that were still alive, and that was all she had to defend them if a critter came after them. Their clothes were largely made of flour sacks.
My dad's family wasn't quite as poor, but they hurt some, too. My dad lost an eye because they couldn't afford a doctor to remove some metal from his eye and it got infected. He told us that the worst punishment he ever got was for losing their sugar ration book at the beginning of a month in 1943.
My mom made sure that my brothers and I were able to fish, forage, garden, cook, can, clean, sew, and take care of ourselves. She and my dad also made sure that, while we were never rolling in money, we never knew abject poverty.