15 Things Cruise Lines Won’t Tell You Photo credit: CC license by Kabacchi 8. Be Prepared to Spend From internet service charges at 75 cents per minute to unlimited soda refills of $4.50 a day, there are plenty of ways to spend on board. Charges can quickly add up so it pays in the end to be aware of added surcharges and other extras. Prev8 of 17Next From Around The Web Facebook Comments comments