For many Americans, owning rental property is a great investment, distinguished by regular profits and greater stability than the stock market. To manage this investment, property owners typically either perform rental management services by themselves or hire residential property management companies to take care of maintenance, repairs and other tasks. Because of this, recent research indicates that the property companies that make up this industry are steadily changing, with smaller businesses growing or being replaced by much larger firms. But is this trend good or bad for property owners? The answer to that question seems to depend on the property…