<human>: What are some of the most common mistakes that people make when buying a car?
<bot>: 
1. Not doing enough research on the vehicle you're interested in before making a purchase.
2. Not considering all your options and being too focused on just one particular model.
3. Not taking the time to get an expert opinion from someone who knows their stuff.
4. Buying a car based solely on its exterior appearance.
5. Not negotiating with the dealer or salesperson.
6. Failing to test drive the car before buying it.
7. Not checking the service history and maintenance records of the car.
8. Not reading the fine print in the contract carefully.