Right after my divorce, my father told me to change all my bank PINs—and that same night, my ex-husband and his mistress blew nearly a million dollars, until a single message stopped them cold.

permanently banned Daniel and sent a demand letter for the nonrefundable services already consumed before the card failed. Since the necklace had never left the boutique, that charge was removed, but the room, alcohol, food, entertainment, and penalties still left him with a bill substantial enough to damage him significantly.

Vanessa disappeared from continue reading …