_ 1. If you buy a car in full, you don't need to charge a service fee, and there is also a filing fee. If there is a charge, it is definitely unreasonable. This is unilateral in the store. If you encounter, you can complain. 2. It is said that there is no service fee and filing fee for buying a car in full, but when it comes to hot-selling models, they will charge various unwarranted fees in disguise. You can't blame the dealer for this, but you have to buy someone else's car.