What's more economical? Always buying used cars, or driving a new car into the ground?

by joshua m. neff
Question by Mr. Hat: What's more economical? Always buying used cars, or driving a new car into the ground?
I have heard two arguments about the most economical way to buy cars over a life time. I've heard that if you buy a new car, never trade it in and drive it until the end of its natural life, you'll end up saving the most money in repairs. I've also heard that always buying slightly used cars will end up saving you the most money, (though you have to replace them

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