Mexico just beefed up border security, so if you’re headed south to escape the collapse, plan accordingly. I still think if I drape myself in several serapes, keep my sombrero pulled low and, per usual, have enough refried beans and salsa caking my mustache, I can pass. Whether you plan to go or stay in the U.S. to the bitter end, experts say now's the time to convert your assets to pesos to hide 'em from the Chinese.