Despite what we know about online-disrupting businesses and budget travel, the low-cost revolution actually began in the 70s when John Bogle conceptualised and pioneered the index fund. Today Vanguard has funds that charge only 0.05% as management fee with no sales cost and provide decent market returns to investors made possible by the passive investment philosophy. This is a stark contrast to high-cost funds where fees are a big portion of returns (or losses). We find out whether indexing will continue to have a future in a world dominated by trading and volatility.