This is a classic scam that ' s been going on for a while . They convince you that you need to do the repair right now , and while they make it look better temporarily it does more long term damage to your vehicle , such as making the paint peel . You made the right call . The red flag to note is that he was pressuring you to do it right then and there . Legitimate businesses tend to let their customers take their time in making a high cost decision like that . This high pressure tactic is often used by the you have a cracked heat exchanger so you need a new furnace scam , where the scammers go door to door and convince homeowners that they need a new furnace even though their ' s is healthy . And auto body is a business where you do need a shop to have good results with repairing large dents and other damage . It ' s not really a viable mobile business .