It's often cheaper to buy a full bottle of wine at dinner than it is to buy a few glasses. But what if you don't finish the bottle? 🍷 ✨ Fun Fact: Cruise ship waiters can mark your unfinished bottle with your room number and save it for another night -- or even for dinner in another onboard venue. Have you tried this trick before? Leave a 👍 in the comments to vouch for the tip! Want to know even more secrets the cruise lines don't tell you? Check the comments for a link to more🤫 #cruisecritic