[MrClean]

Motion sensors w/ flood lights outside.
Usually leave other lights outside on at night.
Bushes/Trees/etc trimmed so you can easily see behind them.
120 pound Rottweiler is an inside dog.
Alarm system, all windows and doors covered.
*** At this point, most would simply go look for another house ***

When kids were small, I bought one of those one gun safes that you can unlock in the dark by finger buttons and I practiced using it in the dark.

Now they are all older and I keep my Benelli in closet, in addition to my pistol safe I still have.