I've learned from a lot of my mistakes while cruising throughout the past 12 months.Lauren MackI spent over 30 days with four cruise lines this past year, and I learned some travel tips for 2025.I'm done assuming interior cabins are the cheapest rooms on cruise ships.In 2025, I'll try to better take advantage of seasonal sales and credit-card offers.As a frequent cruiser, I learn a little something from each trip.In the past 12 months, I've spent 30 days at sea on four different cruise lines exploring the Eastern and Western Caribbean and Central America.