When I got home from cruise saw charges billed as I charged them, no problem had zero balance when receiving statement,looking at checking account i see was charged for every item as I made a charge then grand total taken out of checking again,double billed! Was told in three days would release charges and should have read documents,but if it's coming out of checking as I go and have zero balance on statement,why again do I have to be charged? So debit card users be aware of this policy. Carnival Sensation had wonderful room steward,but the other service was not anything near what I received on other cruises. Wonder if it has anything to do with tips given up front now,?