Licensing & Legal Boundaries: If you operate in Australia, you must be a licensed real estate agent/buyer's agent to negotiate terms or handle the transactional paperwork. Unlicensed individuals are legally restricted strictly to making introductions (pure referral matchmaking) and cannot legally collect a "commission" without violating property services regulations. [1, 2, 3]

The Retainer Structure: High-end property searches represent a massive time investment. Most premium agents do not work purely on a hand-shake success fee. They typically structure this with a non-refundable upfront retainer ($2,500 to $5,000+) to cover administration and ensure the high-end buyer is serious. This retainer is then deducted from the final success fee at settlement. [1, 2]

Tax and Transparency: In accordance with Australian Consumer Law, all fee agreements must be fully documented in writing prior to commencing the search. For high-end buyers purchasing through a corporate structure or an investment portfolio, these fees are generally not immediately tax-deductible against annual income, but they can be added to the property's cost base to reduce future Capital Gains Tax (CGT). [1, 2]