Cloud computing has brought to small businesses a dizzying array of business applications that were previously unaffordable or non-existent. The number of ways to extend accounting software is nearly limitless. However, business owners need to be very aware that just because it is possible to connect together multiple applications to support their operations, it may not be the most effective or efficient approach. In this paper you will learn the hidden costs of working with multiple applications and discover the benefits of ERP for your small business.