Since 2005, the number of 18-to 34-year-olds not enrolled in educational institutions  has grown from 55.9 million to 61.3 million. This age group is also the most likely to rent apartments despite the tightening economic restrictions on their generation. If you're among them, you know how exhilarating yet daunting it can be to leave your parents' house and move into your own space. At...