3. Gather Supplies:Use microfiber cloths, gloves, sponges, a mop, and cleaners like vinegar or trisodium phosphate (TSP). Choose cleaning agents based on wall type and stain severity. 4. Prep the Room:Move furniture, cover floors, and tape off outlets and trim. 5. Clean by Stain Type: Smoke stains: Use TSP and water with a sponge, working from bottom to top. Grime:...