When it comes to car rentals, a lot of people get confused when they are at the counter right before they drive off with the vehicle. Just before you sign for the car, they ask if you if you want any kind of waivers and most car rental services offer at least four different kinds. Some of these you may want, some you may not want. For people that don't know what they are doing, they may end up paying a lot more for a car rental than they had originally planned for. From the latest research from Canstar Blue, one in four people who rented a vehicle felt they had been upsold unnecessary car insurance. Every policy is different and it is important that the consumers read the product disclosure statement before making purchase to understand what each policy cover and excludes.