House Sounds -- A Brief Follow up

So it turns out that perhaps it wasn't a ghost or our imagination (although, yes it could be animal sounds)...however given that we've just seen a bulletin in our local paper about break ins in the surrounding area have spiked for some reason, it leaves me pause. I was talking to VB (lives nearby) about an alarm system. One of our other mutual friends who lives not far from us just put one in. We're thinking about it too. Especially if, at some point, we have kids. I think once we have kids, we won't think twice about doing it. We'll just do it.