How do people live to be self-adequate?

self-adequate energy-tests: question ? how folks reside, to be self-adequate In an attempt to comprehend how individuals be themselves suffecient grow there own food is aninmals own farm, etc. .. Arent some plants as soon as a year by the plant? How can we hold so loaded with fresh fruit and vegetables in the retailer all through the year? I was looking into acquiring a property, and just about self-sufficient with my own animals, plants, etc. I just do not recognize how that is achievable

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