I just wanted to thank everyone for their continued input! I found a couple of links worth sharing.
I also wanted to suggest a fairly quick and easy preparedness exercise:
Google map your home/bug out site and print out a picture of it.
Now draw in where you would place “double dug” beds in the ground so that you could increase your garden to survival size if the SHTF. I did it last night, then tucked the map away in one of my most used gardening books.
And here are the links:
https://livinglowinthelou.blogspot.com/2013/10/can-you-really-grow-all-your-own-food.html?spref=fb&fbclid=IwAR3_HVyyqPJ62zlw-iKtJ6dQ1alpKi1587U5H_mfINfi9REmIleWmFwWnp4