In 2022, a good ten-year-old car is still a very good car. I recently sold a Jaguar, which I had myself bought secondhand, for £8,000. It was in every respect as good to drive as when the original buyer paid £80,000 for it in 2010. The late Edward de Bono, the originator of lateral thinking, bought secondhand Jaguars throughout his life. His idea was th…