Here's how to turn your second act into the start of something big.

Fewer than than half of retirees say they are having a very enjoyable retirement, according to a recent research brief on retirement satisfaction from the Employee Benefit Research Institute. Which is a shame, considering how diligently many of us save and plan for our post-career lives. Fortunately, there are ways you can improve your odds of having a more rewarding retirement, especially if you’re willing to be creative, resourceful and a bit adventurous.