When it comes to managing co-op and condo finances, boards can’t afford to be complacent — yet, some are. Take the case of one New York co-op, which found itself owing $300,000 in real estate taxes and water and sewage bills due to negligent management. Avi Zanjirian, a partner at the accounting firm Czarnowski & Beer, is here to tell the cautionary tale. Avi Zanjirian is interviewed by Paula Chin of Habitat Magazine.