...those more expensive parts are made with tighter tolerances and higher quality materials. Why did you think they cost more? Just for the hell of it? lol
"When you say this, will you be surprised if your arguments seem to move about instead of staying put? And will you accuse me of being Daedalus who makes them move, though you are yourself much more skillful than Daedalus and make them go around in a circle? Or do you not realize that our argument has moved around and come again to the same place? [...] Or do you not remember?" - Socrates