Red 1968 Barracuda Coupe Basket Case

well i have a guy wanting to buy the car for 400 bucks, I am seriously thinking of backing out on this deal, by my estimate the parts are worth 1000+ as my inventory shows.

red bc parts

windshield w trim 100
doors 150
back glass w trim 100
4 spd pedals 50
hood 50
dask w inst 75
rear springs 50
junk rear housing 75
trunk lid w trim 75
tail lights 50
ds quarter panel 100
title w id tags 75
steering column 50
xxxxxxxx
1000