It is possible to update Rates and Availability for several days with just one action in the Calendar.
Just select a day and use the slider to move from left to right through the calendar. Alternatively, just check/uncheck the desired days in the pop up where you will be making the changes to the Rates and Availability. Once you are satisfied with the changes click on "SAVE" and "CONFIRM" to store your new settings.
You don't have to worry about selecting days that are already booked since the system recognizes this and will apply the updates to the days that are free in your selection.
Please note that this is available for the desktop calendar as of today. We are working to bring it to the mobile app as we speak!