For the Global X MLP & Energy Infrastructure ETF (NYSEMKT: MLPX), the investments largely fall in that latter camp. So between the industry reputation and the corporate structure benefit, is there any wonder why the Vanguard Real Estate Index ETF (NYSEMKT: VNQ) makes this list? In addition, since real estate is often considered a reasonable inflation hedge, the opportunity is there for dividends to increase over time, helping preserve the purchasing power of those cash flows.