Some Thoughts About Defending Your Position
Read everything in this Free North Carolina posting of this M4Carbine.net comment.
Note the title change between this post and the originals, as this editor believes most who can and will defend either don't have a hidey-hole or won't be able to get there.
Finally, don't get so fixated on repelling boarders that you forget or underweight the "fighting retreat to the alternate" option.
Are you ready?