Your emergency medicine book will go into more details about setting bones, applying splints, or even doing field amputations with a knife and a saw. But even just to deal with a sprained ankle, a folding cane ($14) may be good to have somewhere in your stash. Beyond that, bandages are useful for improvising splints; in areas where improvisation may be difficult - say, in the desert or up in the mountains - portable folding splints ($10) can be handy, too.
Another complication is that even if you make the right call, many governments impose onerous reporting requirements on foreign assets - and especially in times of economic hardship, they treat them with suspicion and contempt. Host countries are also more cavalier about confiscating foreign deposits, as evidenced by the Cypriot "bail-ins" in 2013. Lastly, the public associates overseas accounts with tax evasion and money laundering, so it may be difficult to garner any sympathy for your case when things go wrong.
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