So don't bet the rent check. The newer ships boast shopping arcades to put Rodeo Drive to shame. Do research before you go to know which luxury goods are cheaper at home. Today's shipboard beauty and fitness services are as sophisticated as those on land, with prices to match. You'd do better by capturing your own Kodak moments.
Some lines now suggest tips even for housekeepers to offset salary costs.
Unless you're an art connoisseur, be careful what you buy. So wait until you're home to reach out and touch someone.