This article explains how to add different rates per number of nights.
Click on Add a Rate and choose a quantity (number of nights) to fill in the respective price.
The displayed rates are the total price for the accommodation corresponding to that number of nights, instead of the price per person per night.
In the example above, the price will be 100 EUR / night if a person books for less than 7 nights.
You can also set different rates for your Activities, according to the number of people or quantity of lessons booked. Read this article for more information.