When it comes to choosing a used car, there are many things you need to pay attention to in order to make sure that you're getting a reliable and affordable vehicle. Here are some key factors to consider:

1. Market value: Before you start looking at cars, research the current market value of the type of vehicle you're interested in. This will give you an idea of what to expect when it comes to pricing and help you avoid overpaying for a car that's worth less than its listed price.

2. Condition: When inspecting a used car, pay close attention to its condition. Look for signs of wear and tear, such as scratches, dents, and rust. Check the tires, brakes, and suspension system to make sure everything is in good working order. If possible, have a mechanic inspect the car before making a purchase.

3. History: Ask the seller about the car's history, including any accidents or repairs it has undergone. Look for any red flags, such as a high number of claims on the car's warranty or previous ownership issues. A car with a clean record is usually more reliable than one with a checkered past.

4. Financing: If you're financing the car, shop around for the best interest rates and terms. Compare offers from different lenders and consider your own financial situation before committing to a loan.

5. Test drive: Always take a test drive before purchasing a used car. This will give you a chance to see how the car handles on the road and get a feel for its overall performance.

By keeping these factors in mind, you can increase your chances of finding a reliable and affordable used car that meets your needs and budget.