Is there a 72 hour rule when buying used car?

In some jurisdictions, there may be a "cooling-off" period or a right of rescission for used car purchases. These laws allow buyers to cancel a purchase within a certain timeframe, typically 2 to 3 days, without penalty.

However, it's essential to note that these laws vary from state to state and may have specific conditions and exceptions. In general, the 72-hour rule you mentioned may not be universally applicable. Some states have shorter cooling-off periods, while others may not have such provisions at all.

To ensure your rights as a buyer are protected, it's crucial to research and understand the specific laws and regulations in your jurisdiction. You can typically find information about these laws on government websites or by consulting with a legal professional.

Additionally, when purchasing a used car, it's advisable to take precautions such as getting a vehicle inspection, reviewing the car's history, and negotiating the terms of the sale in writing to protect your interests and avoid potential disputes.