Cruise vacations often look like the ultimate all-inclusive getaway, but behind the glittering lights and endless buffets, cruise lines have clever strategies to make you spend far more than you planned. From tempting onboard packages and “exclusive” deals to hidden charges and psychological tricks designed to loosen your wallet, these tactics are everywhere on the ship. In this breakdown, we uncover 11 of the most common ways cruise companies lure passengers into overspending—so you can enjoy your trip without falling into their traps.