I have emergency stuff on hand to grab and run but not to survive for several years ... but then, maybe I should look into that .... :)
You might be interested in these threads:
Home gardening offers ways to trim grocery costs [Survival Today, an on going thread]
http://www.freerepublic.com/focus/f-chat/1990507/posts
Is Recession Preparing a New Breed of Survivalist? [Survival Today - an On going Thread #2]
http://www.freerepublic.com/focus/f-chat/2181392/posts