[miyamoto]

Not a reason to get mad at 0% deals or to lobby against them.

Whatever bad decisions in auto buying you've already made is "sunk cost" and from now on we have to be smart consumers and armed with this information from this article if one wants to optimize his/her "auto purchasing power" one should keep what's still working and buy only what we need.

[Eric in the Ozarks]

This same exercise can be done with existing houses versus building a new one.