Had a PPI done by an out of State Porsche dealer and they missed peeling clear coat on the wheels

, a chipped cermaic rotor

and a failing battery
The funny thing is, in my initial email to the service advisor, those were actually some of the things I really wanted them to look closely and yet they screwed up.
Wheels: It's a no brainer they missed them but they weren't worth the hassle for me to pursue, just by themselves. (
I think I have a case here)
Battery: Porsche service advisor wrote me in his email the car had an Audi battery which is far better than the Porsche... Well 5 weeks later I got stranded and Autozone guy came over and changed the dead battery. Can you believe it, the car still had original Porsche battery. ( I now have a letter from the guy who changed the battery) (
I think I have a case here too)
Ceramic Rotor: On my way back from picking up the car, I had a flat tire and once home when I took the wheel off, I noticed the clear coat issue and the chipped rotor.
Ofcourse I sent them the pictures the following day but it is my word against them. Lucky for me, few months later, I found one of the previous owners of the car on one of the forums who acknowledged that the car did have a chipped rotor when he owned the car as well.
He is now willing to write me a note which makes me feel better 'coz I can now go after the dealership.
Question however is: What kinda a note do I need which I can present to the court to verify the rotor was chipped even before I bought the car?
Can I claim my cost of travel/coverage for the office (physician) while I take them to court?
Any feed back be greatly appreciated?
Thanks