Buyer Strategy · The Buyer’s Playbook
When one agent represents both the buyer and the seller, the buyer is the party the system was not designed to protect. A plain reading of the structure.
When the same agent represents both sides In most transactions in Marbella, one agent handles everything. They list the property for the seller. They show it to the buyer. They advise the seller on the minimum acceptable price. They advise the buyer on how much to offer. They negotiate between two parties whose interests are directly opposed — while being paid by one of them. In Spain, this is legal. In parts of the United States, it is restricted or prohibited. In the UK, the distinction between estate agents (who work for sellers) and buying agents (who work for buyers) is well established. In Australia, buyer’s advocacy is a regulated profession. The principle behind these regulations is simple: when one professional serves two parties with opposing interests, someone’s interests will be subordinated. The question is whose. The mechanics of dual service Consider what happens when an agent represents both sides of a €5M transaction. The seller wants the highest possible price. The buyer wants the lowest. The agent’s commission is typically calculated as a percentage of the sale price — meaning the agent’s financial interest is structurally aligned with the seller’s. Now ask: when that agent advises the buyer on whether the asking price is fair, whose interest shapes the answer? When that agent tells the buyer “there’s another offer on the table,” what incentive do they have to verify it? When the buyer asks whether the urbanistic status of the property has issues, how thorough will the investigation be if finding a problem could kill the deal — and the agent’s commission with it? These are not accusations. They are structural observations. The model creates the incentive. The individuals operating within it respond accordingly.What the buyer doesn’t see
In a dual-service model, the buyer typically does not know: The seller’s minimum acceptable price. The agent knows this because the seller disclosed it in the listing agreement. The buyer negotiates in the dark. How long the property has actually been on the market. Properties are sometimes relisted with a new date to appear fresh. The agent knows the true timeline. The buyer sees the manufactured one. What the market already knows. Asking price is only the surface. Time on market, price movements, mandate pressure, duplicated listings, real closed comparables and operator context all change the negotiation before an offer is even made. In a dual-service model, that context rarely reaches the buyer with full force — because the stronger the buyer becomes, the weaker the seller’s position becomes. What other properties in the market might be a better fit. The agent shows their own inventory first. Properties held by competing agencies — which might suit the buyer better — are not part of the conversation unless the buyer asks. And the buyer doesn’t know to ask because they don’t know what they’re not seeing. The cost of alignment The financial impact of dual representation is difficult to quantify precisely because the buyer rarely knows what they would have known with independent advice. But the indicators are visible. A negotiation moves on what you know — and in Marbella, what you know depends on who is reading the market for you. Negotiation leverage is reduced when the buyer’s advisor also protects the seller’s price. Due diligence is less rigorous when finding problems threatens the transaction. Market access is narrower when the agent prioritises their own listings. And the buyer’s time is consumed managing a relationship where the counterparty’s loyalty is divided. The seller’s agent not controlling the buyer helps. But that is the soft lever. Knowing the market — what has moved, what has stalled, what has closed and what is under pressure — is what moves the price. At price levels above €2M, each of these factors translates to five- or six-figure consequences. A negotiation delta of 5-10% on a €5M property is €250,000-€500,000. A missed defect in urbanistic compliance can cost €150,000 and eighteen months to resolve. A property that was not the best available option represents an opportunity cost that compounds over time. These are not edge cases. They are the structural outcomes of a model where one professional serves two masters. The alternative exists Separating the roles is not a radical proposition. It is the standard in most regulated financial services. Your lawyer does not also represent the other party. Your wealth manager does not also advise the counterparty in a transaction. The principle is the same: independent representation protects the client’s interests because there are no competing interests in the room. A buyer-only advisor never lists properties. Never represents sellers. Never accepts vendor mandates. The seller pays the commission already built into the transaction; when a buyer-only advisor enters, that commission is shared, not added. The result is advice structurally aligned with one outcome: the buyer acquiring the right property, at the right price, with full market context. In Marbella, this model is not yet common. That is not because it doesn’t work. It is because the traditional model works well — for the agencies. A note for property owners If you own a villa in Marbella, this analysis may read as critical of the agency representing your property. It is not. A good listing agent serves the seller’s interests effectively — and that includes maximising the sale price. The point is not that seller’s agents are failing. It is that buyer and seller have opposing interests, and a single agent cannot optimally serve both. For the seller, the best outcome is an informed buyer who makes a clean, well-structured offer — because informed buyers close. The worst outcome is a buyer who discovers problems after signing and initiates legal action, or who pulls out during due diligence because the issues were not identified earlier. Structured representation on both sides of the transaction does not threaten the seller. It professionalises the process for everyone.A negotiation moves on what you know — and in Marbella, what you know depends on who is reading the market for you.
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Puro Dreams Realty represents buyers only — never sellers, never developers. The shortlist comes from the market, and the negotiation starts with context: time on market, real closed prices, mandate pressure and operator knowledge. We don’t negotiate harder. We negotiate with better intelligence. The seller pays our fee. Zero cost to you. Tell us what you’re looking for →We chose a side. Yours.
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