Personally, TKM, the ideal is top prevent him from getting inside in the first place - a dog or two, using things like thorny berry or rose bushes under every window, motion lights, etc. - the objective being to make him want to go rob someone else so YOU don't have to go through the trauma of possibly killing an intruder and dealing with the mental and civil anguish that follows.
WAY too many think they are going to behave calm and cool like they do playing a video game - reality is far different than that