If I setup a promotion like a discount for certain times with extras. How can a customer when booking through Booking.com still book and get the discounted price even if he is not in the promotion rules? Like, if I give a discounted price if the customer books for 2 days or longer, he can enjoy the discount. How come Booking.com allows him/her to get the discount when only booking one day. Booking.com should bear the cost of allowing discount outside of the promotion setup.