Everyone has heard the expression “save for a rainy day” until the verge of cliché. For a small business owner, creating an emergency fund may not only be practical, but critical. A “rainy day” fund is the best insurance one’s small business has for continuing operations in the face of unexpected financial issues or helping one recover from an unplanned, costly event.

In the small business world, every penny counts are stretched like one of those machines does at the big ...