I’m not trying to cut corners, money isn’t an issue, I’m just trying to understand the logic behind sealing a primer when I have already layed down 2 coats of epoxy primer/sealer
1st off it's great you epoxy sealed 1st this is a great rust preventer.
2nd I'm 100% sure you'll need bodywork and filler primer.
3rd When I was a body man, I always primed a repaired car with the color primer or sealer that was under the factory paint before painting. Some colors are transparent and will be darker with black primer than white. We argued about it so we got a junk fender. Primed half with gray, other with red oxide. We put 6 coats of base then cleared. Outside in the sun you could see the difference. There was a Ford light metallic green no one could match because they used gray primer under it. I would put 2 coats of white then switch to color and clear. It matched perfectly. I always sealer a complete paint job before painting. Use a non sanding sealer. Spray ,wait (per directions), then paint.
