Thank you Officer Corrigan. There are home defense training courses you can take to become more proficient and prepared. The tactical shotgun forum over at shotgunworld.com has a list of courses stickied near the the top. If you can't afford one of these classes, at least buy a book on the subject. "The Tactical Shotgun" by Gabe Suarez is a good one.

An old CMSGT in the Air Force taught me the 6 Ps: Proper Planning Prevents P#ss Poor Performance. IMO Practice and training are a must when using firearms.