It pays not to be a jerk—well, being a jerk can also pay because the annoying ethical limitations of kind and empathetic folk won't bother you, leaving you to do whatever, whenever, and wherever you want. Still, we'd like to think that all of that bad karma will come back to bite you eventually and that one day you'll receive your just deserts. That may be what happened to this apartment manager, who decided to be unbearably rude to someone who was applying for an apartment. Whatever it was, th…