I show how to fix a large hole in drywall with a Presto Patch. This product makes drywall hole repair an easy project. You can pick one up at your hardware store. If they don't have it, they can order it for you.
You will need a drywall saw, joint compound and a couple drywall knives.
The mistake most homeowners make with drywall repair is putting on too much compound or not giving a repair 3 coats.
Take the time to follow the steps and give each coat the time to fully dry and you will make a perfect patch.