With the high cost of car rental, the convenience may be outweighed by the cost. Sure, the growing cost of gasoline at the pump has a role in the high cost of automobile rentals. But, as most of us are unaware, the majority of your rental statement is made up of hidden expenses. These fees might account for up to half of the total amount charged on your statement. The majority of the hidden expenses are voluntary, which most rental vehicle businesses will not tell you. You might save money on your automobile rental payment if you have them removed. We'll explain what these hidden charges are, what they mean, and how to negotiate your way out.