You only invest a lot time with the initial setup and the testing phases. I spend maybe 15-20 min every couple days just checking things out. Making sure levels are good etc. If you are someone like me who likes working on projects, this is actually fun and entertaining and good for the blood pressure build up after i read or watch the news. And if shtf, what do you think is going to happen to the price of food. Then come talk to me about worth while investments with your time.
There are alternatives if you can't grow yourself. Join a farm coop. Do not send you monetary votes to the monsantos of the world.
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