So wait... how did he just happen to appear by the window at the moment that two people were talking about needing his services AND be on top of a large stack of boxes at the same time?
Suddenly the shock over his sudden appearance makes a lot more sense. Could you imagine how you'd react if a vacuum cleaner salesman showed up at your window, right when you spilled your cereal, and you lived on the fifth floor of your apartment complex? Seriously, these arctic foxes are crazy salesmen in this world.