automatics jam, and you dont know it until you pull the trigger. with a pump you will feel it hang and know there is a problem. On the other hand the autoloader would be faster if you had to fight off a half dozen. I live in kentucky...and theres a good chance ive been called a redneck at some point....but if someone broke in my house...i would erase their face. There would be no wounding. Personally i shoot a .45 but for someone who isn't s shooter, and enthusiast a shotgun will fit the bill for home defense. As far as using it as a scare tactic...i wouldn't really recommend it. You may rack the action of the gun and scare off most of them, but someone will pull something out and try to shoot you first. The best rule for using guns for defense is that if you see it, your toast.