If a renter cancels more than 24 hours prior to reservation, there is a full refund except for fees & insurance. If a renter cancels less than 24 hours ahead of the rental period, they will be charged 50% of the rental fee. If a renter cancels during the rental period, there is no refund.
If the owner agrees to cancelling due to rain or some other circumstance - they can cancel the rental and there is no cancellation fee.