Clean the surface thoroughly
Let the paint dry completely
Sand down rough or raised areas
Fill dents, holes, and cracks with spackle or filler
Sand patched areas smooth
Remove dust with a damp cloth or tack cloth
Apply primer to repaired spots if needed
Use a high-quality paint roller or brush
Stir paint well before use
Apply thin, even coats
Maintain a wet edge while painting
Overlap strokes consistently
Avoid overloading the brush or roller
Recoat only after the previous layer dries
Sand lightly between coats if needed
Touch up missed spots with a small brush
Repaint the entire section if the finish is still uneven