The era we are living through today reminds me of the ancient Rome. I just can't figure out whether we are at 90 BC when the Republic collapsed or the 5th century right before the barbarians (what the Romans called illegal aliens) took over.
Buy gold or silver, bury it in a safe place not too far from home and give the location to your kids. Hint, don't rely on the GPS system being up and running when they need it.