First of all, I apologize for the fact the guy doesn’t know how to say cache.
Now that we are past that – this is a very cost effective way to store supplies for your bug out kit. Using these simple PVC kits you can stock pile supplies over time.
Oh, I am also sorry about the suspension of the constitution comments as well. Clearly the guy is a nut – but he has a some good thoughts on how to build a survival kit.