1. **Regular Maintenance:** Keep up with scheduled maintenance to ensure your car is in top condition.

2. **Cleanliness:** Maintain a clean interior and exterior. Regularly wash and wax the car to preserve its appearance.

3. **Service Records:** Keep a detailed record of all maintenance and service activities, showcasing the car's care history.

4. **Low Mileage:** Try to limit unnecessary mileage to keep the odometer reading lower, as lower mileage generally increases resale value.

5. **Fix Minor Issues:** Address minor repairs promptly to prevent them from escalating into major problems.

6. **Upgrade Features:** Consider adding features like a new stereo system, updated technology, or safety enhancements to make your car more appealing.

7. **Tire and Brake Maintenance:** Ensure tires and brakes are in good condition, as these are key safety components that potential buyers consider.

8. **Choose Popular Colors:** If buying a new car, choose a popular color, as neutral tones often have broader appeal in the resale market.

9. **Keep Original Parts:** If you make upgrades, keep the original parts. Some buyers prefer stock components.

10. **Market Research:** Research the resale value of your specific make and model to set a realistic asking price.

Remember that the overall condition, history, and market demand for your car also play significant roles in determining resale value.