Some of the luxury rental agencies will offer deep discounts for luxury cars over the weekend if they are not booked in advance. If you are interested in having a luxury car for a wedding or special event and you are not too picky, this can be a great option for saving money.
If you are planning on traveling out the state and very definitely out of the country it is critical that you notify the rental company and get consent in writing to take the vehicle out of the area. Most of the luxury cars are equipped with locators and can be tracked by the rental company.