Apply stain to all doors, baseboards, handrails, window casings, and door frames. Execute a single coat of sealant application. Following sealant application, address nail holes by filling and sanding to a smooth finish. Proceed with the application of one finish coat. Prepare surfaces for the final coat through sanding and dust removal. Complete the finish coat application for all trim and doors. Implement protective covering for all trim and relocate doors to the designated shop area. Apply a single prime coat to ceilings and walls. Finalize ceilings with a finish coat. Apply two finish coats to walls.