I'm getting confusing information from various sites including a phone call to RCCL. I’m booked on a 12 night Mediterranean cruise. I understand that onboard  purchases including food and drink, spa services and retail products will have the VAT added to the stated price. Does this apply to excursions purchased onboard too. The RCCL agent would only say” we recommend you purchase the excursions before you depart because the price might increase onboard. “ What experience have you had with VAT an