His problem: He doesn't own a reliable car, so he brainstormed possible solutions, such as carpooling, cycling, taking public transportation, or buying a new car. He is evaluating the pros and cons of each solution. Review the pros and cons table, and then choose the answer choice that best completes the list of cons.
1) Carpooling is expensive and may not be available at all times.
2) Cycling can be tiring and may not be suitable for long distances.
3) Taking public transportation can be crowded and may have limited routes.
4) Buying a new car is expensive and requires maintenance and insurance.