New cars are over-complicated with gadgets and poor design and too expensive to fix yourself.
That's partially why new sale are bombing.
The rest is for parf.
There are some simple tricks besides a magnet and paint tester, or running your hand along lumpy panel edges to check for re-paint.
Electronics will eventually fail if flooded.
https://9gag.com/gag/aKGNBgb
I don't understand why anyone would buy a car unseen, or house, over the internet...
What is your time worth?
"Never enough time to do it right. Always enough time to do it over."