Another pro tip: good deadbolt kits have a lock cup with one or two holes inside as well so you can secure it even further. Second pro tip: replace your door h

Another pro tip: good deadbolt kits have a lock cup with one or two holes inside as well so you can secure it even further. Second pro tip: replace your door hinge screws (on the jamb and door) with larger 3-4” screws. Third tip: outside doors should be solid wood or metal, not hollow.