Originally Posted by
Doctor Morbius
I haven't kept a detailed spreadsheet on any of the modifications I've done to my bikes (bike of Theseus?), so there's no way I could calculate an accurate $/mile ratio.
How many thousands of dollars have you spent (or netted, if you're also selling) on bikes in your life (or the last 5-10 years?) How many miles have you ridden? BOOM: rough estimate for your stable.