Then don't buy one. Take a chance on some school kid that bought a car when they got their first job before realizing what the insurance payments were, then neglected standard maintenance on it, or performed it in a substandard fashion, or hacked up the dash and trunk installing a super loud stereo.
Do you know this by personal experience?
2012 Mustang GT, Ingot Silver, 6M, 3.73, Brembo.
Whipple 2.9, Flowmaster AT Cat Back 817500.