I’ve written it before.
I’m writing it again.
Know your neighbors.
Usually the admonishment comes with a suggestion to know what your neighbor does (is the product or service popular or not?), who your neighbor employs (popular or unpopular segments of the population), and how you neighbor treats its personnel (walkouts possible to probable?).
Turns out, according to an Associated Press article in the “PhillyBurbs.com” site titled
Salvation Army to be named in Philadelphia building collapse lawsuits
(see http://www.nbcnews.com/id/52764647/ns/local_news-delaware_valley_pa_nj/t/salvation-army-be-named-philadelphia-building-collapse-lawsuits/), that's not enough.