Confrontations in the home, several types. A burglary where no one was thought to be home, or the worst would be an armed/no weapon confrontation where the perp is going to do you harm in a robbery or assault.

The type that knowingly breaks into your home with the owners in the house is the most dangerous by far, kill or be killed scenario. Most burglars will run like hell when they are confronted with or without a weapon.

Be prepared, go ahead and dig the hole.