Comparing by fit
Two ways of thinking, side by side. There is no winner here — read across each row and choose the one that fits your situation.
Sales
A jointly owned, dated plan from here to live — so the deal has no invisible middle.
By 6days
Sales
Lead with a commercial insight that reframes the buyer's problem, rather than asking what keeps them up at night.
By 6days
When to use — Mutual Action Plan
Use it on complex deals with long cycles, multiple approval gates, and implementation work after signature — especially where you have been burned by late-stage procedural slippage or where the buyer has a hard date they must hit.
When to use — Challenger Selling
Use it in complex B2B sales where you have genuine cross-customer data the buyer lacks, where the competition is undifferentiated on features, and where the real enemy is the buyer's inertia rather than another vendor.
When not to use — Mutual Action Plan
Avoid it on small or fast transactions, where it is bureaucratic overhead the buyer will resent. It is worthless if it becomes a seller-authored document emailed for agreement — that is a project plan with a friendly name, and it will not predict anything. And it cannot fix a deal with no genuine urgency; it will simply document the drift precisely.
When not to use — Challenger Selling
Avoid it when you have no real insight — performed without substance it is just contrarianism, and buyers detect it immediately. Avoid it with sophisticated buyers who know their domain far better than you, where a reframe reads as condescension. It also demands enablement most sales organisations do not have: the insight must be built centrally, because individual reps cannot see across the customer base.
Late-stage deals slip for procedural reasons nobody tracked. A security review nobody scheduled, a legal redline waiting on a lawyer's holiday, a signature authority that turned out to sit two levels up. The seller's forecast says a date; the buyer's organisation has never agreed to that date and often has not been asked. Both sides are surprised, and the surprise is always in the same direction.
Relationship-led selling assumes the buyer knows what they need and the seller's job is to be trusted, responsive, and pleasant. In complex purchases that assumption often fails. Buyers have partial views of their own problem, committees that disagree, and a strong pull toward doing nothing. A seller who only responds to stated needs ends up competing on price against everyone else who responded to the same stated needs.
A mutual action plan is a shared document listing every step from the current moment to a working deployment, each with an owner on one side or the other and a date both sides accept. It is written with the buyer, not for them. Its value is partly logistical and partly diagnostic: a champion who will not co-author a plan, or cannot get anyone to own a step, has just told you something about the deal that no amount of enthusiasm can offset. It replaces the seller's private forecast with a jointly held commitment.
Challenger selling argues that the strongest performers in complex sales teach rather than serve. They bring the buyer a perspective on their business the buyer did not have — usually about a cost or risk they are carrying without knowing it — tailor it to the specific stakeholder, and are willing to create constructive tension rather than agree with everything. The insight has to lead somewhere: it should point naturally at a strength that is genuinely yours, or you have improved your competitor's chances by educating the buyer for free.
Start at the business outcome and its date — the quarter they need results by — and work backwards to today. Starting from your close date makes it your plan, and a plan the buyer experiences as yours will not survive contact with their calendar.
Capture the buyer's internal machinery as explicitly as your own: security review, legal, procurement, board approval, data migration, training. The steps you cannot see are exactly the ones that cause the slip.
Every step gets a person, on whichever side. Steps owned by 'the team' do not happen. This is also where you discover whether your champion can actually direct anyone.
Dates must be accepted by the owner, not assigned to them. A date invented by the seller is a wish; a date the buyer's legal counsel agreed to is a commitment you can hold them to without friction.
Worked example — Mutual Action Plan
A vendor and a buyer co-author a plan for a 1 October go-live: security questionnaire returned 12 June (buyer's InfoSec lead), architecture review 26 June (both), redlines returned 10 July (buyer's counsel), procurement submission 24 July (buyer's champion), signature 8 August (the CFO), migration 15 August–15 September (both), training 20 September (vendor). In week three the security questionnaire is four days late and InfoSec is unresponsive. That single visible slip triggers a conversation in June rather than a missed date in October — and it reveals that InfoSec was never told the project existed.
Worked example — Challenger Selling
A workforce management vendor meets a retail chain that has asked for help with scheduling efficiency. Rather than answering the brief, the rep opens with data from comparable chains showing that most scheduling savings are eaten by the cost of staff turnover that erratic schedules cause — the fix for the stated problem makes the unstated one worse. It reframes the conversation from a scheduling purchase to a retention one, an argument the CFO cares about far more, and it points at the vendor's stability features rather than its scheduling engine, where every competitor is equal.
Mutual action plans are a practitioner convention rather than a published methodology, and they circulate under several names including mutual close plans and joint execution plans. The underlying idea is imported from project management, where jointly owned schedules with named owners long predate their use in sales. No individual origin is credibly claimed.
The approach was popularised in the early 2010s by Matthew Dixon and Brent Adamson, based on segmentation research conducted through the Corporate Executive Board on the behaviour of sales representatives. Its central claim — that teaching outperforms relationship-building in complex sales — has been both influential and contested, and the underlying study has drawn methodological criticism. The named framework is the authors' commercial work; this description is our own.
Not specified
Walk the plan in every subsequent meeting and let slippage be visible early. A missed step surfaced in week two is a scheduling problem; the same step surfaced in week ten is a lost quarter.
Develop a point of view from data across your customers that this buyer cannot see from inside their own organisation — an unrecognised cost, a coming risk, a wrong assumption. It must be commercially specific. A trend report is not an insight.
Trace the insight to its conclusion. If acting on it favours a competitor, you have done their discovery for them. The insight must terminate somewhere you are differentiated — this is the discipline that separates the method from thought leadership.
The same insight has to land differently for the CFO, the operations lead, and the end user, because their metrics differ. Reframe it in each stakeholder's terms without changing the substance.
Open by challenging how they currently understand the problem, and earn the right to your solution by making the problem legible. Do not lead with product; the reframe is what makes the product interesting.
When the buyer pushes back, do not immediately concede. Ask why, and hold the position if the evidence supports it. Assertiveness is the part practitioners drop first because it is uncomfortable, and dropping it turns the method back into a pleasant conversation.