Comment by MeImCounting

Maybe you should trust information from FEMA for instance? Or just the Department of Homeland Security in general? While there is certainly an aspect of consumerism in some prepper communities the actually serious people tend to default to advice given by actual authorities that deal with disasters in the real world. Serious preppers tend to focus more on rotating their potable water supplies and making sure the backup batteries are charged than buying whatever tacticool new PDW is being marketed on instagram

https://www.ready.gov/ Is the most obvious resource and has a whole bunch of valuable information.