How can I replace drywall effectively and efficiently?

To replace drywall effectively and efficiently, follow these steps:

1. Remove the damaged drywall by cutting it out with a utility knife.
2. Measure and cut a new piece of drywall to fit the space.
3. Secure the new drywall in place with screws or nails.
4. Tape and mud the seams to create a smooth surface.
5. Sand the dried mud and paint the repaired area to match the rest of the wall.