i have $375 base price plus $50 for >4 guests. However for 26 dec - 12 jan i would like to change to $800 base price + $0 guest price . I have been able to change base price to $800 but cannot find how i change additonal guest from $50 to $0.
Unfortunately there is no way to do what you want. Your extra person fee isn't able to be changed for different periods. It would be great if we could do it for sure!