As the retail market continues to flounder, investors are eyeing vacant brick and mortar stores as possible future storage centers. There are more than 50,000 storage facilities in the United States, and construction spending on mini-warehouses hit an all-time high in April, Bloomberg reported. The largest storage operator, Public Storage, took in $538 million in revenue during the first three months of this year, logging only $149 million in operating costs. “These guys are making […]