Okay, I got a number of DPM buildings to assemble. The part I dread is painting the exterior window trim. I thought of spraying the exterior walls with a brick color and then, when dry, doing the window trim. I had done this in the past and it was very tedious to say the least. Then I thought what if I spray painted the widow trim color then masked them off and spray painted the brick color. When dry all I needed to do was touch up the area around the windows that was covered by the tape. Seems to be a lot easier and simpler so what am I missing, if anything?