I do it the same as Mr. P Body.

I do it 99.9% because I enjoy it, I take pride in it, and I want to learn something from it.

Budget does also figure into it, as I am not independantly wealthy, but if I wanted to pay somebody, I could.

I don't want to

A checkbook X second car is no faster (or slower) than a homebuilt X second car, so I see no reason to knock either one