In the last 35 years, one of the fastest growing commercial real estate industries in the US is the self storage sector. In fact, as of the 4th quarter of 2011, the total rentable space in self storage in the US is around 2.3 billion square feet. This is 78 square miles of self storage space. The size is actually three times the size of Manhattan. And in terms of those who rent, around 10.8 million households use these facilities. This is not surprising because according to the United States Bureau of Statistics, in a year more than 15 percent…