First try: Augghh where is everything?! Second try: In and out before the owner gets back. Third try: "Let's pile all the furniture in front of the door so he can't get in!" That let to him spawning on top of the pile of chairs and potted plants, turning around confusedly. Also, if you manipulate objects in close proximity to other objects, either you or the neighboring objects have a good chance of being launched into the air, rendering the stairs entirely unnecessary. All in all, 5/5.