Well I highly recommend anyone and everyone to check it out sometime. Very limited hours (only Monday, Wednesday, and Saturday from 10-1) but open to the public, they don't witness on customers, and are very helpful.
We've been having meet and greets over at Hickory House in Tucker for years and not once have you guys ever said a word about the LDS Home Storage Center 5 minutes away...
https://providentliving.lds.org/self-reliance/food-storage/home-storage-center-order-form?lang=eng
I just stocked up on...
Love this!
CDC has a zombie prep
http://www.cdc.gov/phpr/zombies.htm
And FEMAs zombie bag ideas
http://www.fema.gov/blog/2011-05-19/cdc-preparedness-101-zombie-apocalypse
Also, as for the food issue a small designated portion of land could be used for aquaponics which could provide enough food (with smaller needs to supplement by hunting/scavenging).
http://en.m.wikipedia.org/wiki/Aquaponics
There are definite advantages to purchase such as federal and state tax credits if you deed part or all the property into a conservation habitat. But you're also paying property taxes.
Option two could be to lease land from a timber company (I hear we're getting a number of international...