I should have looked into that, but the discovery of peeling away the layers was too tempting. But you are right. Dipping service would have been cheaper and more convenient. I will consider that for the remaining doors.
We had a couple of panels warp when our doors were dipped. There was a lot of paint on the doors, not sure if that meant they were in longer or something.
Have you looking into door dipping services. It might be cheaper and definitely easier than DIY.