Things to keep in mind while buying a used car

The argument between the dealer and private party will continue until the next big bang is disrupted and civilization is extinguished. This depends on who is the seller, who is the private party, and which car is hand-trading. We will purchase, say, a 2018 Audi A4 from the local dealer, as chances are that it would be part of the pre-owned approved (CPO) system of the store which provides peace of mind. We wouldn't buy a Volkswagen Beetle ....