The brokers decided they needed help. So they called in Cheryl Eisen, a home stager, part of a niche profession of 11th-hour decorators brought in to convert hypercritical house-hunters into smitten buyers. In less than two weeks she reworked the West 17th Street apartment, which its owners, Amy and Avi Faliks, had gut-renovated but then, exhausted, never quite gotten around to decorating.
