My earliest memory of travel insurance was the life insurance vending machines that used to populate airports up until the early 1980s. For those too young to remember this bizarre part of 20th century air travel, these kiosks offered very short-term life insurance policies that cost $2.50 (paid in quarters) for coverage of up to $62,500. Since these pre-travel policies were marketed to anxious flyers, it seemed clear the insurance companies were capitalizing on fear rather than offering a needed product. Over the intervening decades, I never revised my opinion of travel insurance. I’ve been lucky enough to never need travel insurance, but my family’s recent trip to Denmark finally pushed me to rethink my assumptions. Unfortunately, like any insurance product, it can be difficult to determine which are reasonable precautions and which ones are mostly designed to open your wallet and remove your cash.…