Home-based businesses are quickly becoming the fastest growing form of business start-ups in America. In fact, over half of the 600,000 new businesses founded each year are grown out of someone's home office of basement.

Net office space refers to the actual usable area within an office building. It excludes shared spaces such as hallways, restrooms, and stairways. Tenants use this space for desks, meeting rooms, and other work-related activities. It's a key metric for understanding the functional size of an office.