Put some thought into solidifying this concept up after reading some recent thread replies.

The idea is there's 3 levels of preparedness. Level 1- very basic, Level 2- mid-tier and Level 3- long term ready. Each area of your preps falls into one of these levels. To put a specific time frame on it, a level 1 of basic disaster preparedness would facilitate survival up to two weeks without outside assistance. Level two is a month or three. Level three stretches it to a year or more…

The Three Levels of Sustainability