I don't think I can help much more, sorry. The shop I worked in was completely automated and worked on new builds. In most ways, it's much harder to do a one-of

I don't think I can help much more, sorry. The shop I worked in was completely automated and worked on new builds. In most ways, it's much harder to do a one-off repaint of an assembled vehicle. Only advise I can give is to get some cheap paint and some kind of panels and start practicing.