p>You will need to provide your credit card information when you book a rental car. The rental company may put a hold on your card or charge you a security deposit. Both of these will disappear when you return the car. Remember, this charge counts against your credit limit, so factor that in when making other travel-related purchases.</p> <p>Most rental companies will offer you collision insurance for an additional charge. You may not need this additional cost if your personal car insurance extends coverage to rentals.</p> <p>Take a copy of your rental agreement to the rental agency when you pick up your car. Extra fees and additional services or protections can be added or upsold but with your printed agreement in hand you can make sure you stick to your original price</p> <p>You may also face extra fees if you are under 25 years of age.</p> <p>When you rent a car, you will need to check the condition of the vehicle before leaving the rental lot. Make sure your contract has detailed information regarding the existing damage. Damage such as windshield cracks and dents or scratches on the auto body should be noted. Any damage or failure to report previous damage could result in an extra fee.</p> <p>When returning a rental car, be sure to return the car with as much gas as required. Different agencies have different requirements. Check your rental agreement for details.</p> <p>Return your rental in a clean state to avoid extra fees. Clean any trash and dirt out of the car before you return it. If the rental agency has to clean the car, you may be required to pay a cleaning fee. Remember, most rental agencies do not allow smoking or pets in vehicles.</p