I found this article from Doug and Polly White to be right on target.
Moving from a home office, where occupancy costs are effectively zero, to rented space is a big decision.
Obviously, monthly expenses will increase. You’ll have to pay rent. If it’s not included in the rent, you’ll have to cover utility costs. In some circumstances, there may be other monthly fees for services such as cleaning and grounds maintenance. There will also be one-time costs. You may need to hire movers or purchase furniture, office equipment, or phone systems. Continue reading