You as the owner select how much you want to earn. The automatically calculated amount for the service fee, the insurance and VAT is then added. The total rental amount is shown in the vehicle profile and in the booking, which the renter pays.
The insurance varies based on the value of your vehicle and the length of the booking.
To edit the pricing of your already published vehicle, first press the menu in the top right of the website. There you will find "My Vehicle" which you can press. Now you can select "Prices". On this page you can also see examples of how much you will earn for different rental periods.