Angry Senior man checking bills at homegettyInvestors are scared—and that’s setting up a terrific opportunity for us in 8%+ yielding covered-call CEFs.That’s because volatility fuels the income these stout funds get from their option strategies. And that income flows right into our dividend checks.I’ve got two 8%+ payers delivering growing “option-boosted” dividends for you below.And thanks to the market’s relative calm these last few months, these funds are bargains. But the last four years of history say ...