How to create an ETF investment strategy. You'll need it when markets get ‘crazy,' advisor says

1. ETFs attract investors with lower costs and flexibility over mutual funds. 2. Trading mid-day is less volatile compared to market open/close times. 3. Market timing is largely ineffective; consider dollar-cost averaging. 4. Limit orders provide control but may lead to missed opportunities. 5. Having a strategic investment plan is crucial in volatile markets.