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. Attach a carbide drill bit to a cordless power drill if drilling through tile. Attach a general-purpose drill bit to the drill if drilling through a hollow wall or stud behind the drywall. Make sure to size the bit to your hollow wall anchors or plastic anchors.