Using conventional thinking, the growing company would have to add office space, extra phone lines, computers, and all of the other expenses that are required to support additional staff. This really blows the idea of an incremental increase in expenses right out of the water.
As a result, many micro-business owners delay adding critically needed staff until they are so overworked that their families are worried about their health and sanity.
There is a vast reservoir of experienced telecommuters being trained at large companies and many of these people are just longing to cut their connection to the corporate cubical farm and find life and excitement in a small local business.