Although educational qualification is not an important requirement, your skill set is. Strong interpersonal skills, good numerical skills, sales skills, ability to quickly check the returned vehicles, etc, are necessary to becoming successful as a car rental agent. A good understanding of the working of car rental business, time management skills and being cool under pressurising situations are also required. You will also be required to work in night shifts, if you work for a 24 hour car rental company. Efficiency handling customer complaints in a professional manner, and being honest are all required to be successful in this sector.