You might think skipping travel insurance saves money, but this could be a grave mistake. If something goes wrong—say you get sick or lose your luggage—you'll be on the hook for unexpected expenses.

Got a nightmare neighbour story? Tell us in the comments as we explain how to turn detective when you're house hunting.

German authorities said Thursday they have taken down a major online marketplace for drugs, cybercrime services and fraudulently obtained credit card data. Investigators seized the Nemesis Market ...