There's a price to relying on the kindness of strangers, especially if you're the kind stranger. After all, what would you do if your 55-year-old neighbor, who was recently evicted from her apartment by your landlord, knocked on your door one night with no place to stay? Would you not succumb to your decent impulses and let her crash on your couch, even if it's just for one night? Unfortunately, in this instance, it was far from just one night. This lady hadn't had another place lined up despit…