If you’ve got something difficult to paint, something that's out of the ordinary, chances are good that somebody makes a specialized spray paint to coat it. There are paints to spray automotive ...

Use the spray bottle that you use to clean the paint gun, and a piece of 1,000-grit abrasive paper. Mist the run with water, then work over it with the sandpaper in a circular motion.

Fill one bucket with your soapy water and the other with plain water for rinsing. Soak your mitt in the soap, wash a section ...

Spray paint shrinks if you paint on an extremely hot day, says Morse. Outside temperatures should range between 50°F and 90°F, and relative humidity should be below 85%.

Typically, the handheld models require a power cord and can spray up to 48 ounces (1.5 quarts) of paint at a time, which is held in a container attached above or below the gun.