Wow! After all that you deserve to go eat dinner. I think layering is when I get off balance. I layer it once, wipe it off, maybe do some panel lines and I call it done. When I know it isn't done I just want to get to building the next model. But I'm slowing down and taking my time more with the painting and weathering aspect. I did post a picture on my border model zero post where I did some machine gun bullet holes. Well let's put it this way I tried to but when I just now looked at the picture I posted last night I'm like oh man, sheet metal in World War II must have been 3 ft thick