The iShares Russell 2000 ETF ( NYSEARCA:IWM | IWM Price Prediction) and the Vanguard Russell 2000 ETF ( NASDAQ:VTWO) hold the same 2,000 small-cap stocks in the same weights and track the identical benchmark. On paper they are interchangeable. In practice, the choice between them is a choice about whether you are renting exposure for a trade or owning it for a decade, and the wrapper around the index decides which one wins.
Aggressively invest in high-yielding stocks and reinvest the dividends continuously until you consider retirement. After all, each reinvested dividend payout buys you more income-producing shares without any out-of-pocket expenses. Better, by doing so, you're compounding the earnings and expediting the growth of your portfolio.