What must a real estate professional do to represent a client legally?

To represent a client legally in real estate, obtaining a signed listing agreement is essential. This document serves as a formal contract between the real estate professional and the client, establishing the terms of representation and outlining the duties and responsibilities of both parties. The listing agreement provides the legal foundation for the agent's actions on behalf of the client, ensuring that the client is protected under applicable laws and regulations.

While developing marketing strategies, offering competitive pricing, and participating in open houses are important aspects of a real estate professional's role, they do not fulfill the legal requirement for representation. Without a signed listing agreement, the relationship lacks the legal enforceability necessary to protect the interests of both the agent and the client. Thus, the correct answer emphasizes the importance of formalizing the professional relationship through a contractual agreement.