Carnival Luminosa

What a cruise roll call is, where to find one, why they fall apart, and how to actually meet the people sailing with you.

The single supplement can add 125-200% to your fare. Here is why it exists, which cruise lines have real solo cabins, which have none at all, and how to sail alone without paying for an empty pillow.

Gratuities, service charges, Wi-Fi, drink packages and excursions can turn a $999 cruise into a $2,200 vacation. What each line actually charges, and how to see it coming.

What actually happens on embarkation day, why trying to board first is a waste of your vacation, what belongs in your carry-on, and how to start the week the way you meant to.