RES Course Singapore Pricing: Hastor Your one-stop shop for all of your real estate education requirements. An Approved Course Provider for the Council for Estate Agencies (CEA), Hastor was established in 2010 and has been conducting the obligatory Real Estate Salesperson (RES) Course for all real estate salespersons since then. CEA's RES Course and RES Examination have upped the standard for real estate salespersons since its establishment. It's no secret that Hastor has been a long-time supporter of this effort, providing years of expertise in their experienced trainers to provide CEA-compliant courses and trainings. Our business model is based on CEA's aim to elevate the real estate agency sector to a more reputable position in the community. Customers' interests will be protected by enhancing the professionalism of everyone who enters our doors.