The biggest challenge for the vibrant single-family rental market may be the shortage of available homes to purchase, according to panelists speaking at an Urban Institute event highlighting institutional investment in SFRs this week. And one analyst pointed to mid-sized investors as being best positioned to profit from the market. Since the financial crisis, SFRs have emerged as a viable housing option and real estate investment firms are seizing the opportunity. Both mom-and-pop operators and institutional investors have been buying homes of all sizes and offering them as rental properties. Prior to the crisis, there were...