Need some help from the paint experts please? I’m switching paint guy’s do to the first one’s life got in the way. I found another guy who I seen some of his work seems to be perfect. My car is now in epoxy primer sealer painted by the first guy. I showed the car to the 2nd guy and he said for me to sand it all down because I should have used etching primer. I thought the epoxy primer sealer was better. Someone please clarify this for me. I tried to read other post about this and it’s confusing. I’m not selling the car so I’m not looking to take any short cuts. Thanks.