This site can help you find car rentals that can be up to 50% off than what you would have booked directly in a car rental company.
Yet, on the other side prepayment is a must. Still, prepaying rental cars is always a useful and good recommendation for the ones who are traveling abroad.
If I may say, on the negative side- you would not know for which car rental company you are going to rent up until the moment when you make the payment. This might pose a risk, but at the end, it might bring you a positive experience and more money in your pocket.
Book Multiple Cars- Then Cancel as Rates Get Lower
Booking and canceling a rental car reservation can be done at any moment. There are no fees coming with either one of it.
That is why many people nowadays when it comes to car rental NYC are booking multiple cars, and then they are canceling as rates get lower. That way they are getting to the cheapest rate for their period of stay in NYC.