💼 Sales & commercial methods
B2B sales methods
Structured sales methods: SPIN (N. Rackham), The Challenger Sale (M. Dixon & B. Adamson), Solution Selling (M. Bosworth), MEDDIC, Sandler, SNAP (J. Konrath).
Full detail in the “Origin & history” section below.
Author of the library
Negotiation lecturer at KEDGE Business School
A rare threefold background serving negotiation: teaching, commercial justice and audit, backed by experience as a company director in Bordeaux.
Gap Selling is a “problem-centric” sales method whereby you no longer sell a product but rather the gap between the customer's current state and the future state they desire. The seller becomes a diagnostician: they surface the present situation and its quantified consequences, then the desired state, and make the distance between the two tangible and costly enough to justify change. The wider, more quantified and more painful the gap, the greater the perceived value of the solution, and therefore the greater the customer's willingness to negotiate favourably. Applied to negotiation, this approach shifts the debate away from price and towards the value of the transformation achieved.
At a glance
Vigilance: moderate (4.5/10) · Preparation required: 7/10
Indicative profile: it situates the “Sales & commercial methods” family as the Sales & commercial methods school practises it, not this technique taken in isolation. Techniques from the same family and school therefore share the same profile. NEGOCOACH editorial rating out of 10, non-experimental · the higher the “relational risk” value, the more costly the technique is to the relationship.
NEGOCOACH assessment
Tactical potential 7.0/10 (effectiveness, impact, discretion) and vigilance moderate (relational and ethical risk): two distinct readings, deliberately never merged into a single score that would reward risk. NEGOCOACH editorial rating calibrated from the “Sales & commercial methods” family and the “Sales & commercial methods” school. Each criterion is rated out of 10; click to understand what it measures.
How far the technique can carry the negotiation in the intended direction when it is well executed.
Strength of the effect produced on the counterpart's perceptions, emotions and decisions.
How hard it is for the other party to notice the technique is being used. A high value = very discreet.
The information, analysis and rehearsal required upfront to use it effectively.
Potential cost to the relationship and to trust if the technique is spotted, refused or fails. A high value = riskier.
Moral acceptability: fairness, transparency and respect for the counterpart's autonomy. A high value = more defensible.
Documented school
The school this technique stems from is documented by recognised work and established practice, without experimental consensus. This indicator qualifies the school, not this technique taken in isolation.
Indicative NEGOCOACH editorial rating, for teaching purposes. For “Relational risk”, a high value signals a cost to the relationship, not a quality.
The method was formalised by Keenan (Jim Keenan), founder and CEO of A Sales Guy Consulting / A Sales Growth Company, in his book “Gap Selling: Getting the Customer to Yes” (A Sales Guy Publishing, 2018). It sits within the lineage of “problem-centric selling” and extends the approaches of consultative selling and value selling (Michael Bosworth's Solution Selling, Neil Rackham's SPIN Selling), taking to its logical conclusion the idea that diagnosing the problem takes precedence over presenting the solution.
Gap Selling is a structured approach that articulates three elements: (1) the “current state”, the customer's present situation, their technical problems and their business and emotional impact; (2) the “future state”, the desired, measurable state the customer is seeking to reach; (3) the “gap”, the distance between the two, which constitutes the true value being sold. In practical terms, the seller conducts an in-depth diagnosis through questioning (root cause), quantifies the cost of inaction (“cost of the problem”), gets the customer to articulate the desired future state, then positions their solution as the bridge that closes the gap. The size and the quantified nature of the gap determine the urgency, the budget that can be mobilised and the negotiating power.
Application by context
Instead of presenting the software's features, the salesperson gets the prospect to quantify what their current manual processes are really costing them (hours lost, errors, missed sales) and compares this with the target state, then sells the gap thus made tangible.
The buyer reverses the logic: they diagnose the supplier's current state (overcapacity, dormant stock, cost of not renewing the contract) and the gap with their desired situation, in order to show that closing this gap on the seller's side is worth a price concession.
In labour negotiation, management or the employee representatives objectify the gap between the current social climate (turnover, absenteeism, disputes) and the target state (engagement, productivity), so as to base the agreement on the value of a settled climate rather than on the cost of the measures alone.
Faced with a crisis, the negotiator diagnoses the present state (escalation, ongoing losses, damaged reputation) and projects the stabilised future state, making the cost of inertia so high that the other party agrees to move towards resolving the crisis.
A political leader builds their negotiating case by documenting the gap between the current situation of a territory or an issue and the promised state, making this measurable gap the lever that legitimises the proposed reform or compromise.
The seller of a property highlights the gap between the buyer's current situation (unsuitable home, rent paid to no avail, long commutes) and the life they envisage, transforming the negotiation over price per square metre into a negotiation over the value of the change of life.
In a cross-cultural context, the negotiator first invests in a shared diagnosis of the present state and the state desired by each party, since misunderstandings often stem from divergent implicit future states, so that the gap is defined by mutual agreement before any proposal is made.
During a family dispute (inheritance, organisation, joint project), each person is invited to express their actual lived situation and what they truly want to achieve, and the negotiation then centres on narrowing the gap rather than on entrenched positions.
Counter-techniques
Negotiation is also played on defence. Here is how to recognise this technique when it is used against you, and turn it around.
The signals that give it away
The counters that defuse it
Turn it into an advantage
Name the manoeuvre: said out loud, a technique loses most of its power.
Reacting emotionally instead of coming back to the facts.
Strengths: it refocuses the negotiation on value rather than price, which reduces the pressure on margins and the price objection; it creates legitimate urgency by objectifying the cost of inaction; it positions the negotiator as a credible, differentiating expert; it relies on quantified data, which holds up well before a rational decision-maker; it strengthens the quality of the relationship through a sincere diagnosis of needs. Weaknesses: it is very demanding in terms of time and questioning skill; it is ineffective if the customer refuses to share their information or has no real gap; it can slide into manipulation if the gap is artificially dramatised; it assumes an interlocutor with the authority and data to objectify the gap; it is ill-suited to low-stakes transactional sales where the diagnostic effort is not worthwhile.
Particularly effective in complex, high-stakes negotiations, long cycles, B2B solution sales, and any situation where the decision-maker can be led to quantify their problems and where value (rather than price) is the real terrain of discussion. It is favourable when the interlocutor has the data and the authority to objectify the current state and the future state, and when the negotiator has the time to conduct a serious diagnosis. It is less relevant for impulse purchases, undifferentiated commodities or purely distributive negotiations over a single price.
Sales · Selling the gap rather than the quote, A management-software vendor faces an industrial prospect fixated on price, deemed “too expensive” against a lower-cost competitor. Rather than matching the discount, the salesperson applies Gap Selling: through a series of diagnostic questions, they get the operations director to quantify the real cost of the current situation, manual re-keying, stockouts, lost orders, amounting to an annual shortfall far greater than the price difference between the two offers. The desired future state (real-time traceability, zero stockouts) is articulated and quantified. The negotiation then shifts from the price of the licence to the value of the gap closed, and the prospect accepts the initial offer, the discount ceasing to be the topic. This sequence illustrates the mechanism described by Keenan; it is a representative scenario and not a documented named case.
Business · A diagnosis that turns the price objection around, In an outsourcing negotiation, the buyer opens by announcing a capped budget well below the offer. The provider, instead of defending their price line by line, reconstructs the current state with the buying committee (unresolved incidents, hidden costs of in-house management, user dissatisfaction) and the expected target state. The gap, once framed in euros and in risk, far exceeds the additional cost of the premium offer; the initial budget is revised because it did not cover the true cost of the problem. A representative scenario illustrating the pricevalue shift characteristic of Gap Selling, without attribution to a named company.
To recognise the technique: your interlocutor asks a great many diagnostic questions, seeks to get you to quantify your current problems and to project an ideal future state even before mentioning their offer, a sign that they are building a gap to anchor value. To defend yourself without shutting down: accept the diagnosis (it is often useful) but keep control of the figures you disclose, check the assumptions behind the cost-of-inaction calculation yourself, distinguish the real problem from the amplified problem, and remember that the urgency invoked must be substantiated. Counter-questioning on the reliability of the data and on the alternatives (including the status quo) helps to deflate an exaggerated gap and bring the discussion back to a shared, honest assessment of value.
Limits: the method assumes the existence of a real and significant gap; without a material problem, it does not work or pushes one to fabricate one. It requires data and an interlocutor willing to share it, conditions rarely met in a distrustful or distributive negotiation. Ethical issues: the line between making a problem visible and unduly amplifying it is thin; exploiting the emotional charge of the “current state” to force a decision amounts to manipulation. Responsible use requires grounding the gap in verifiable facts, leaving the status quo as a legitimate option, and aiming at value genuinely created for the customer, not merely a closing lever.
Related techniques and approaches: Neil Rackham's SPIN Selling (Situation-Problem-Implication-Need-payoff questions, a conceptual matrix close to the Gap diagnosis); Michael Bosworth's Solution Selling; the Challenger Sale (Dixon & Adamson), which “teaches, tailors and takes control”; value selling; implication questioning and the “cost of inaction”; and, in negotiation, reframing around interests rather than positions (Fisher & Ury) and anchoring on the value created.
Quick exercise
Answer in your head, then reveal the solution. Memory is built through active recall.
Frequently asked questions
Gap Selling is a “problem-centric” sales method whereby you no longer sell a product but rather the gap between the customer's current state and the future state they desire. The seller becomes a diagnostician: they surface the present situation and its quantified consequences, then the desired state, and make the distance between the two tangible and costly enough to justify change. The wider, more quantified and more painful the gap, the greater the perceived value of the solution, and therefore the greater the customer's willingness to negotiate favourably. Applied to negotiation, this approach shifts the debate away from price and towards the value of the transformation achieved.
It sits on the line: effective, but it can tip into manipulation if it exploits an information asymmetry. Use it with measure and without deliberate deceit.
Reacting emotionally instead of coming back to the facts. The right reflex: slow down and reformulate.
NEGOCOACH does not assess the experimental validation of this technique in isolation. What we document is the grounding of its source school (Sales & commercial methods): documented school. Full detail is in the "At a glance" section of this page.
Practise with AI
Copy, paste into your assistant, replace the [brackets]. Works with ChatGPT, Claude, Gemini, Mistral, Perplexity.
Build your plan before the meeting
You are an expert negotiation coach. Help me prepare to use the "Gap Selling" technique in the following situation: [describe your situation]. Give me: the conditions for success, a 3-step script, my counterpart's likely objections and how to answer them.
Rehearse against an AI counterpart
Play the role of my counterpart in a negotiation. I am going to test the "Gap Selling" technique. React realistically and with resistance, do not give in too quickly, then at the end analyse my performance and suggest 3 concrete improvements.
Analyse a past negotiation
Here is how my negotiation went: [paste the exchanges]. Analyse whether the "Gap Selling" technique was used well, what worked, the mistakes made, and spell out precisely what I could have done better.
References
Founding works of the 💼 Sales & commercial methods school this technique belongs to.
SPIN Selling
BookN. Rackham · 1988
Grounded in the analysis of thousands of sales calls, the SPIN method structures customer discovery through four types of question (Situation, Problem, Implication, Need-payoff) for complex sales.
The Challenger Sale
BookM. Dixon & B. Adamson · 2011
Solution Selling
BookM. Bosworth · 1994
SNAP Selling
BookJ. Konrath · 2010
Structured sales methods: SPIN (N. Rackham), The Challenger Sale (M. Dixon & B. Adamson), Solution Selling (M. Bosworth), MEDDIC, Sandler, SNAP (J. Konrath).
On video
Videos to picture Gap Selling and anchor it through examples.
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Technique map
Every technique sits within a network: what it draws on, what it combines with, where it applies, and how to defend against it.
Spot its signals, neutralise it and turn it around with the defensive playbook on this page.
See the counter-techniquesGap Selling is a “problem-centric” sales method whereby you no longer sell a product but rather the gap between the customer's current state and the future state they desire. The seller becomes a diagnostician: they surface the present situation and its quantified consequences, then the desired state, and make the distance between the two tangible and costly enough to justify change. The wider, more quantified and more painful the gap, the greater the perceived value of the solution, and therefore the greater the customer's willingness to negotiate favourably. Applied to negotiation, this approach shifts the debate away from price and towards the value of the transformation achieved.
Name the manoeuvre: said out loud, a technique loses most of its power.
Reacting emotionally instead of coming back to the facts.
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