Debbi Warden, CPA, CGMA, still remembers exactly why her bookkeeping firm decided to—as she colorfully puts it—jump off a cliff. “It felt as if every other week we were putting dollar signs in front of our clients,” she said of her firm’s previous billing practices. “We are a relationship business. And we didn’t want dollar signs interfering with the relationship.” Warden, an accountant who runs a firm called The Business Manager near Denver, wondered if changing her billing model might help.