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Your Business Case Is Triggering the CFO's BS Detector. Here's How to Fix It.

The deal didn't die in your meeting. It died in the one you weren't invited to. Half of buyers who want your product won't fight for it internally — because the business case you handed them isn't worth the political risk to carry.

Aaron BeanAaron Bean··10 min read

Your champion liked the demo. But according to Gartner, 51% of buyers who are willing to purchase won't advocate internally. Let that land: half the people who want your product won't go to bat for it — not because they changed their mind, but because the internal fight isn't worth the risk to their credibility. The buying process is mostly internal debates, budget negotiations, and conversations where your deal lives or dies. And in those rooms, liking you is free. Fighting for you costs political capital.

So the question isn't whether your demo was compelling. It's whether you gave your champion anything worth carrying into a room full of people whose default answer is no.

For most sellers, the answer is no. And the reason starts with what they hand over as a "business case."

The BS detector problem

When a salesperson presents a business case built on industry benchmarks and average savings percentages, something predictable happens on the other side of the table.

An enterprise IT buyer in cybersecurity described it bluntly on r/sales:

"When a sales person starts to throw out numbers pertaining to value or ROI, my BS detector goes off. Mostly because I'm dealing in fairly complex tech solutions. To be blunt, if you're talking to me I've probably already seen some value in your offering and you mostly need to help me solidify that if I need to do any more internal selling."

Read that carefully. The buyer isn't asking to be convinced. They already see the value. What they're asking for is ammunition — something they can use to sell internally without looking like they're just pushing a vendor's talking points.

But what most sellers give them triggers skepticism instead of confidence.

As one sales strategist put it on r/sales:

"Most of the time, salespeople are just pushing the customers' numbers through a spreadsheet based on average benchmarking data they've seen from other organizations. This isn't value. It doesn't relate to the business's goals, strategies, or initiatives. It doesn't even touch on the cost of inaction or opportunity cost. It's basically amateur value selling."

Here's why that approach fails at the structural level: every ROI calculator ever built has a hidden multiplier somewhere in the spreadsheet that makes the output look like 10x the input. Try to find any combination of inputs where the calculator recommends against buying. You can't. And your CFO knows it. The moment a business case looks like a sales tool rather than a decision-making tool, it gets filed in the same mental folder as the vendor's marketing deck — acknowledged and ignored.

The champion who carries that document into the boardroom isn't armed. They're exposed.

Why most business cases fail the CFO's test

The deeper problem isn't bad math. It's wrong framing.

Most vendor-built business cases answer one question: what could you gain by buying this? But that's not the question the CFO is asking. The CFO is running every proposal through a risk-and-allocation filter, and they're asking two much harder questions:

  1. What does doing nothing actually cost us?
  2. How does this compare to fixing it ourselves?

Tom Williams, who co-founded DealPoint (acquired by Clari) and has spent two decades studying how buyers and sellers actually make decisions, frames this simply: every business problem has exactly three options — do nothing, do it yourself, or bring in a vendor. The CFO knows this intuitively. When a business case only presents option three — wrapped in optimistic projections — it looks like advocacy, not analysis. It skips the two options the CFO will evaluate whether you address them or not.

This is the translation problem that kills deals. Your champion is selling it like a rep, but the financial decision maker is thinking like a risk manager or board member. As one senior seller described it on r/sales: "Boards don't greenlight 'this could help.' They greenlight 'this will hurt us if we don't do it.'"

And the risk calculus cuts both ways. As Williams puts it, every buyer mentally discounts your claims by how much they believe you. Everyone claims amazing ROI, but buyers know not every number can be trusted. If a buyer only believes 50% of your projections, the margin between your price and the value they expect to receive shrinks dramatically. At 25% belief, it's safer to do nothing. The business case didn't just fail to persuade — it actively raised the perceived risk of saying yes.

A procurement professional writing on Medium was explicit about the filter:

"From our side of the table, your product's features are just noise. We are listening for a signal. If your solution doesn't clearly and quantifiably address one of three outcomes — lower total cost of ownership, remove a specific risk, or get my boss closer to their stated goal — you are wasting everyone's time."

Not one of those three outcomes is about features. They're about financial impact, risk mitigation, and strategic alignment. That's the language the board and financial decision-makers speak. And if your champion can't translate your value into those terms, your deal dies in translation.

What the sellers who win actually do differently

The sellers who consistently close through committee-driven buying processes aren't better at pitching. They're better at arming. And the way they arm looks structurally different from what most sellers do.

They frame the business case around three options, not one

This is Williams' core insight, and the sellers who win have internalized it: instead of building a case for their product, they build a decision framework. What happens if the buyer does nothing — what's the quantified cost of inaction over the next two to four quarters? What does it look like if they build a fix internally — what's the true total cost of ownership including development, implementation, change management, and ongoing maintenance? And only then: what does it look like to bring in a vendor?

The difference isn't semantic. It's psychological. ROI is aspirational: "here's what you could gain." Cost of inaction is visceral: "here's what you're already losing." As one seller put it on r/sales: "ROI is something they could have. COI is what they already lose — and he hates to lose."

When a champion walks into the boardroom with a document that honestly lays out all three options — including the real cost of maintaining the status quo — they don't look like they're pushing a vendor. They look like a strategic thinker who did their homework. That's the identity your champion needs to project, and the three-options framework gives it to them.

They co-build the numbers so the champion owns them

One seller on r/sales described it as non-negotiable:

"Every deal. And I build it with the buyer. It's important to me that they understand the mechanics by which they return value, so they can measure impact. The proposed numbers don't matter, but they need to defend the commercial decision — even if it's just for themselves."

That phrase — "even if it's just for themselves" — reveals something important. The business case isn't just a document for the CFO. It's the champion's self-defense mechanism. When the numbers are theirs — when they participated in building the logic — they can defend it because they own it.

Another seller on r/sales described the discovery technique that makes this work: "I ask, 'have you ever put a cost against all of this?' They always say no. Then you say, 'if you were to ballpark it what would you guess?'" The prospect names the number. Now it's their number. They can't argue with it and they can't walk away from it.

This matters because of what Williams calls the risk discount. The CFO will mentally haircut every projection in the business case — the question isn't whether your numbers are right, it's what percentage the buyer believes. But when the numbers came from the buyer's own people — when the champion can say "these are our estimates, not the vendor's" — the discount shrinks. Credibility isn't about better slides. It's about whose name is on the math.

They give champions documents that survive without them

A sales leader on r/sales described the artifact that works:

"I'd literally build them a one-pager they could forward. Not your sales deck. Something that reads like an internal memo. 'Here's what we're exposed to, here's what this costs if it goes wrong, here's the fix.' Make it easy for them to champion it without looking like they're just pushing a vendor."

The document has to pass a specific test: can the CFO's office evaluate it in under five minutes against their standard rubric? That rubric looks something like this — does the project further a current corporate objective with a measurable key result? Does the budget include implementation and ongoing cost? Is there an adoption plan, not just a purchase plan? Have dependencies been mapped? Is there a low-risk way to prove value before committing serious money?

Most champions have never built a document to that standard in their lives. Which means if you don't help them build it, it won't exist. And without it, your champion walks into the room with conviction but no ammunition. Martin, a founder who writes about enterprise sales on the Substack "This is Uncharted," learned this the hard way: "I was the champion for those tools, and I couldn't close the internal sale. The vendors who sold to me never gave me the financial framing or the defensible case that would have made my boss say yes. They gave me demos and feature lists and assumed my enthusiasm would carry the day."

It didn't. And it usually doesn't.

The question that predicts whether your deal is real

If your deals are stalling in the quiet phase — if you're watching pipeline that "looked healthy" slowly go dark — run every active opportunity through one filter:

If this project doesn't move forward this quarter, who inside that organization actually feels it?

Not who thinks it would be nice. Not who attended the demo. Who personally feels the consequence of doing nothing — whose reputation, bonus, or mandate is tied to solving the problem your product addresses?

If the answer is nobody, you don't have a deal. You have a conversation. As one seller observed on r/sales: "At six figures, the perceived career risk of being wrong is often higher than the upside of being right. If status quo feels stable, even imperfect, change looks dangerous. If no one's reputation, bonus, or mandate is tied to fixing it, urgency is cosmetic."

But if there IS someone who feels it — someone whose career is tangibly better if this problem gets solved — then your job isn't to sell harder. It's to arm that person so thoroughly that when they walk into the meeting you're not in, they can answer every question the CFO, the skeptic, and the procurement team will throw at them.

Not with your deck. Not with your ROI slide. With a business case built on their numbers, in their language, structured around the three questions every CFO is already asking: what does doing nothing cost us, what does fixing it ourselves look like, and how does this vendor compare?

Because the deal doesn't close in your meeting. It closes in theirs.

And the only thing that travels from your room to their room is the business case your champion carries with them.

Make it one worth carrying.

#business-case#CFO#champion-enablement#COI#three-options#buying-committee
About the author
Aaron Bean

Aaron Bean

Cofounder of Supercase | GTM & Strategy

Aaron has spent 20+ years at the intersection of strategy, storytelling, and execution in B2B — leading GTM and positioning work at Momentum ITSMA and shipping a global structured-content sales platform at Lenovo. A 25-year partner of Tom's, he saw the champion-enablement gap from the marketing side and joined Supercase to fix it.

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