While fees are important, there are other considerations when selecting ETFs.  D.J. Tierney, Managing Director & Sr. Client Portfolio Strategist at Charles Schwab Investment Management, explains what he believes are critical factors when evaluating the universe of ETFs.  ETF.com's Sumit Roy goes in-depth on an often overlooked aspect of ETF due diligence - trading spreads.  Premise Capital's Jacob Hutchinson spotlights their Frontier Advantage Diversified Tactical ETF (TCTL).