[Cruise~Booking]What is the cheapest day to book cruise? #USA https://central.xero.com/s/question/0D58V00009RODOoSAP/cruisebookingwhat-is-the-cheapest-day-to-book-cruise-usa https://central.xero.com/s/question/0D58V00009RODOoSAP/cruisebookingwhat-is-the-cheapest-day-to-book-cruise-usa