Most door problems come from loose hinges.
Try
- Tighten hinge screws
- Replace stripped screws with longer ones that reach the frame
- Lubricate squeaky hinges with a little lubricant or petroleum jelly
- For a sticking door, find where it rubs before planing
General information only. Turn off power and water first, and hire a licensed pro for gas, major electrical and structural work. The Clever Haven isn't paid by any contractor, store or brand.