I mean the old saying goes "don't shit where you sleep" meaning if you're going to be a criminal don't make your neighbors dislike you.

I've heard stories of drug dealers and gang members being some of the best members of their hyper-local communities because they take this to heart. Your neighbors are the most likely to suspect something is off, if you kill them with kindness and generosity they're a far less likely to be nosy into your personal affairs and get you caught