For those who trade ETF's and are not aware, many brokerages (Charles Schwab, E*TRADE, Fidelity, Firstrade, Interactive Brokers, Scottrade, TD Ameritrade and Vanguard) offer free ETF trades: http://etfdb.com/type/commission-free/fidelity/ Fidelity offers free trades for our friendly Robot ETF ... IWM
Fidelity Roth IRA + IWM Robot = tax and commission free trades!