Js, with prep work you can guarantee a lot more than one. Think on it a little, analyze likely approach vectors, and consider your options. One big thing to keep in mind is the disproportion of power. They might not offer you a target at all. Whats to stop them from rolling up in a tank and just driving over your house? Automation is becoming huge as well, they might use drones. All stuff to keep in mind, consider, and plan around.