Repairing a hole in your drywall does not need to involve a contractor. That will only add time and expense to the problem. You are perfectly capable of repairing the hole yourself, no matter if it’s a small little dent or a large hole. With a little instruction and some effort, it will simply be handled without outside help and you cab do your own drywall repair.
Use a jigsaw to cut the hole into a square shape. Now carefully remove all the cut drywall and clean the now square hole. If you need to, use a utility knife to make the hole as close to a perfect square as possible. Measure the hole and mark it off on a new piece of drywall. Cut the piece of new drywall to fit the reshaped hole and make sure it will be a snug fit. Now use a nail to punch a hole in the center of the drywall patch. Take some fine wire and fit it into the hole, tying a large knot on the inside so the wire will not slip back through.
If there’s a stud where you are replacing the drywall, simply use finishing nails to secure it to the stud. If there isn’t a stud create some backing inside the hole. Wadded up newspaper should work just fine for this, just be sure to coat the newspaper and the edges of the hole with construction adhesive. Now, while keeping a hold of the wire, carefully put the patch into the hole. You can use the wire to manipulate the patch until it is even with the wall. Wipe away excess glue and allow the patch to dry for at least several hours.
Once it is dry, snip off the wire as close to the wall as possible. Use a nail to push the wire back into the wall. Now cover the entire area with joint compound, smooth it out and allow it to dry. Now the wall is perfectly patched and ready to be primed and painted. Very small holes can be repaired even easier by just stuffing newspaper into the hole and fill it with joint compound. No other steps are necessary and your drywall is as good as new.