Three North Shore real estate agents have been found guilty of unsatisfactory conduct after they were involved in a deal where one bought a property the other was selling, then onsold it a few weeks later for an extra $165,000. A complaints assessment committee of the Real Estate Agents Authority has released a decision on the agents who worked for Shoreside Real Estate, trading as Ray White Milford: Mr Hyun Park, Ms Won Ok Oh and Ms Mary Youngshin Watkins.