If you had not wrecked the car the answer would be yes. But you totaled the car so that makes it more complicated. If the mechanical problem caused the wreck you may have a case. If you are just trying to get your money back because you totaled the car then you have no morals and character. On the other hand if the mechanical problem caused the wreck then seek the advice of a lawyer.
No
Depends on the private seller.
If you are a GA resident, you do not have to pay sales tax as long is it is a private seller, even if out of state private seller.
No
www.google.com
was there a guarantee or was it sold as is?
online, car dealership or a private seller!
Sign off on your part as the seller on the title itself just like you were selling it to anyone else.
This depends where you live. Where I live it is not directly against the law but it is easy to sue for repair re-imbursement. In the UK it is specifically ileagle to sell a car with problems and not disclose them.
A gun shop. A gun show. A private seller.
A lemon law buyback title is when a car is sold by a dealer or private seller with defects or problems that they knew about but did not tell the buyer on purchase. This protects against scams.
he's a cool guy.... don't mess with him. :)