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.
Fill Holes in Drywall. 1. Use the handle of your putty knife to very gently press and smooth the broken paper of the drywall around the nail holes, if needed. 2. Apply a small amount of drywall spackle to nail holes smaller than 1/8 inch in diameter. Use your finger to press the spackle into the hole, then smooth the surface of the wall with your hand. Dip the tip of your putty knife into a tub of drywall joint compound and use it to scoop up a small amount of the compound.