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Every Friday you go to ETFreplay.com/charts.aspx and plug in the 4 EFTs, select last 3 months and then whichever EFT has the greatest return, you roll all your money into that ETF. If the EFT you currently have your funds in is the winner, you do nothing until you check again the following Friday. However, please check out his links in this blog so that you're fully informed as he answers all of your questions in greater detail.

i m pretty sure i read it, just a bit new, i really appreciate your responses . but do u roll your money on the friday or monday? just blindly??