Step by Step Explanation:
* ETF Expense Ratios: ETFs generally have lower expense ratios compared to mutual fundsdue to their passive management style.
* Incorrect Options:
* A: ETFs do not have sales loads; they are traded like stocks.
* B: ETFs can be purchased on margin, like other equities.
* C: ETFs are traded throughout the day at market prices, not NAV.
References:
* SEC ETF Fact Sheet: SEC ETF Info.