If I could play "what if", then I wouldn't HAVE to worry about things that might go bump in the night at my house, as I would have known things were going to happen before it gets to the house.
Now I get back to reality.......or how my mind works.
The same things that plan on using in reality. These have been vetted as working all the time by/for me. I have found by trial and error that what I dream is the best, usually isn't for me.
Handgun: Canik TP9 SF Elite with Warren Tactical night sights
I live in a "slab on grade/patio house" so I don't worry about anything downstairs. Just everything around me is what I worry about.
Rifle: AR15 with white light and night sights, magazines loaded with Barnes Varmint Grenade bullets ( I do care about my neighbors, I have to)
Shotty: 1300 Defender. Old school, and still works every dam time I use it/need it.