Paint Hides Everything
If your walls have some damage, you can’t just slap some paint on them and call it good. Whether you have a ding in the drywall, some mold or damage from termites, you need to eliminate the source of the problem, and fix the damage before you paint over it.
When Painting, You Need to Tape All Edges
Not so! Yes, tape is a great tool to use when catching drips and creating perfect lines. However, applying the tape and making sure it’s perfectly smooth does take a ton of time. So if you don’t need it (and you’re confident about your painting), just skip it!