Anybody who is willing to do that job for $500.00 is either incompetent, or he's stuck somewhere in the 1970s! A fair labor price would be somewhere in the $750.00 range- - - -if you buy all the parts.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!