Duke William of Normandy won the battle because was well prepared and had a good army. They prepared carefully for the battle. The Normans had knights on horseback who were skilful fighters.
A utility knife, metal ruler, and a hammer can be faster than trying to carefully saw an opening. Score the drywall a couple times till you are most of the way through, then just knock a hole with the hammer and break the drywall back at the score lines.
4. Place the drywall patch in the hole and screw it to the wood. Cover the edges of the patch with drywall mud, using a 4-inch knife, and lay paper drywall tape on the mud. Scrape the tape flat with the knife, then lay a second coat of mud and scrape that flat.. Cut a rectangular patch from apiece of drywall that is large enough to cover the hole. Place it over the hole and trace its outline on the ceiling with a pencil. Cut out the outline with a drywall saw.