It depends on luck. Maintenance is so important . I have seen people's house getting tore down by stupid tenants then leaves it vacant, evidently means u will be paying tax with no returns.
而且,本松鼠认为,在一成熟的资本市场,长期投资return的最大driver是beta,if you know what I mean. 您要真想创造长期的巨大a,要么干PE大忽悠,要么真有内幕消息,还能不被发现,或者您天赋异禀,Bill Ackman, Jim Chanos 灵魂附体。江湖传闻,50%以上的mutural fund都是lag benchmark的。今年Hedge fund倒了一批,熊市他们一般还不错,遇到这种大牛市,大盘毛都摸不着,管你什么模型。