The cruise has been hinting at a major overhaul of its loyalty program, which offers fewer perks than most other cruise line programs.

Cruise ships have a lot of rules and some are only loosely enforced. In the case of some rules, while it may be frustrating to see other passengers break the cruise line's official policies, it does not actually impact you.

That's something one passengers complained about to Carnival Cruise Line Brand Ambassador John Heald on his Facebook page. "Good morning, I would like to know why we have to selec

The cruise line and some of its frequent cruisers have explained how they handle situations that could lead to big bills.