the crossed-out rate shown for rooms is based on the third highest current price of the supplier for your product or service with the same booking conditions in a 30-day window around your check-in date -lrb- 15 days before and 15 days after check-in date ; if less than 15 days are between today and the check-in date , we will use the corresponding number of days after the check-in date to result in a 30-day total -rrb- .