Always call your travel agent and ask. I have gotten great drops and upgrades that way. I wound up on a 7 day cruise once for $320 and that was with my taxes and port charges. I booked insurance seperate from Carnival and got it for $28.00 Pretty nice cruise deal.
“Twenty years from now you will be more disappointed by the things that you didn’t do than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover.“