Millions of travelers have been exposed to the idea of travel insurance without ever actually committing themselves to purchasing some. After all, insuring your vacation trip is something that many people find ludicrous if not outright too expensive to consider, with others arguing that their normal insurance covers any eventuality that could occur when venturing abroad. In reality, though, good travel insurance can often be a lifesaver under certain conditions, though knowing how to make a good purchasing decision isn’t easy.