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- Holland America Line's new standby program offers spontaneous travelers $50-a-day cruises.
- Travelers won't know if they'll have a cabin until about a week before the embarkation date.
- Cruise fares will be more expensive in 2024 as more people flock to vacations at sea.
You could go on your next Caribbean cruise for only $50 a day. But there's a catch: You won't be guaranteed a stateroom until about a week before embarking.