“Being prepared means being able to survive with what’s in your pants.”
Here is a great, detailed article by Frederick Reimer on the basic skills every adventure traveler should know. It covers everything from landing at an airport to bribes, basic travel gear to expedition funding and whether or not to buy travel insurance. It is packed with a wealth of information, some of which you may already know.
I never knew about the decoy wallet filled with expired ID, cards and money. And I was glad to learn what a fixer was in case I might need one in the future.