<human>:  What are the most common financial pitfalls to avoid when buying a car?
<bot>: The most common financial pitfalls to avoid when buying a car include overspending on the vehicle, not taking into account the long-term costs of ownership such as fuel, maintenance, repairs, and insurance, failing to budget for taxes and other fees, failing to factor in the depreciation rate of a vehicle, and underestimating the total cost of the loan.