Some people however feel the need for a means of defense but don't know a whole lot about firearms, nor do they possess a whole lot of money for a collection that would make the terminator green with envy. For these people the best option for home defense (IMO) is to purchase a good 12 gauge shotgun. You can acquire a brand new single shot, break open 12 gauge shotty for around a hundred bucks.
Now before you yawn and click on over to another site somewhere else consider this. A shotgun does not require a whole lot of skill in its use. A shotgun is a very intimidating weapon at close range. A 12 gauge can do a whole lot of damage and anyone in their right mind will probably crap on themselves once they're looking down the barrel of a 12 gauge shotgun, where as they could be brave enough (or stupid enough) to try and wrestle a handgun away from their intended victim.
Now if you are really strapped for cash even a hundred dollars can seem like a whole lot of money. It is still possible however to obtain a good decent shotgun for a lot less than that. Go to a gun show the next time one is held in your area. Check out the classifieds in the local paper. Talk to any gun owning friends you have and tell em what you're looking for and what you're willing to pay.
It might even be possible for you to acquire one without spending one single penny. Craigslist has a barter section for people who want to trade items they have for something else. Look around the house and see what you can find that you never use. Maybe that old guitar sitting in the back of the closet that you haven't touched in years. Or how about the desk top computer that's just sitting in the corner collecting dust since you bought that new laptop. Most people can probably find something to use as a barter item.
And if you are going as cheap as possible in this then what you want is something that's in good shape but ugly! The uglier the better. If the finish on the stock is almost worn off and the barrel is a little rusty then it'll be much cheaper than something brand spanking new or something that's "as good as new". Remember what you really need- a good reliable means of home defense and not a pretty little show piece to impress your friends.
So now that you've got your ugly little Elmer Fud Gun you can use it to go out hunting "waskely wabbits" or you can sit down and turn it into something that's a true work of art. A can of W-D forty and a piece of steel wool will take care of any rust. A Hacksaw and a little spray paint will do wonders for it's appearance. If you don't believe me then take a look at This. Is that a sweet little zombie whacker or what? Not only can you take out the zombies but you'll look damn cool doing it.
Use your imagination and create something as individual as you are. A can of gray primer for the barrel and a can of flat black paint for the stock will give you the "rat rod" look. Or go totally off the deep end and do something like this. Sort of a post apoc Blade runner look.
Whatever you do to personalize your new little shotty don't forget the ammo. I am no expert by any means when it comes to the differant types of ammunition that's available for the shotgun so stop in at your nearest gunshop and talk to the owner. Tell him Your looking for something to use against the zombies to defend you castle in a SHTF situation. Wanting to make a sale he will be more than willing to give you the run down on the various types of ammo.
And last of all don't just set it in the closet and forget about it. Take it out somewhere and practice with it. Learn to use it like you would any other tool. If you don't know the limitations of your zombie survival weapon you could be putting yourself in serious danger in the event that you are ever in need of it's use.