This will definitely help. The used car has deep water. Now the price of used cars is more transparent. Making money is renovation. Many people will do surface renovation, and it will be very helpful if they can do mechanical and electrical renovation. First of all, it is suggested to find a second-hand car shop and learn from the master how to communicate with buyers, then learn to repair cars and get a grade by the way. I am a technician myself, and people who buy used cars here will feel more at ease when they know it.