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.

birthday. Then came the jewelry tray, because Aurum House maintained an in-house boutique for members who wanted to make ruinously expensive decisions without stepping outside.

Vanessa selected a sapphire necklace priced at $640,000.

Daniel, drunk on revenge and borrowed status, handed over my matte-black business card.

The waiter returned three minutes continue reading …