A searcher will typically contact 1,000 companies. Visit 50. Submit letters of intent on 10. Conduct real due diligence on one to three.
That funnel comes straight from the Stanford Search Fund Primer, and it points to something most first-time buyers misdiagnose.
Volume was always going to be high. The real constraint is that almost every one of those 1,000 interactions has to be resolved in minutes, or the funnel stalls before it ever narrows.
Attention, not deal flow, is the resource you're actually short on.
There's research on this, and it's more useful than it sounds. In 2000, researchers Sheena Iyengar and Mark Lepper set up a tasting table at a grocery store and rotated between two jam displays: one with 24 flavors, one with 6. The 24-flavor table drew more people over to look. Only 3% of them bought a jar. At the 6-flavor table, 30% did. Ten times the conversion, from a fifth of the options.
More choices in front of you increase how much you look without increasing how much you decide. A crowded inbox of CIMs works the same way. A faster, more disciplined way to move through the listings you already have solves it. Fewer listings never will.
Start with scope. A first-pass screen is a read on the business, a gut check on fit, and nothing more. Valuation, underwriting, and the decision to submit a letter of intent all come later, once something has earned that next step.
The only question you're answering is whether this deserves more of your time.
That's a smaller question than most first-time buyers think they're supposed to be answering, and that's the point. Herbert Simon, who won the Nobel Prize in economics for this exact idea, described real decision-making as a search for a "good" move rather than the best possible one. He called it “satisficing.”
Given real limits on time, information, and attention, moving on a "good enough" signal is the rational choice, not a compromise on rigor.
A first-pass screen is satisficing applied to a listing. You're checking whether there's enough here to justify the next hour, not the next hundred.
That's also why the acquisition process itself is staged rather than collapsed into one decision, whether you're running a search fund or buying on your own dime. First pass. Valuation and LOI. Comprehensive diligence. Each stage exists to answer a narrower question than the one before it, so you're never trying to evaluate an entire acquisition in a single pass.
Think of it as three gates, in order. Each one answers a different question, and none of them requires certainty. They require enough.
Geography, size, industry, business model. If it's an obvious mismatch, you're done. This isn't the gate where nuance lives. It's the gate that exists to save you from spending twenty minutes on a business that was never in your buy box to begin with.
David Graf held to his buy box even when the math tempted him to loosen it. His target range was $800,000 to $2 million in EBITDA in the Dallas-Fort Worth market, and he stuck to it, later calling it "poor sport" to quietly go below your own criteria instead of just setting the criteria lower in the first place. The box only works if you actually hold it, and holding it pays off in ways that aren't obvious upfront. Search funds in the top performance quartile bought businesses with a median $14.9 million in revenue, 35% growth, and 22% EBITDA margins, at a lower median purchase multiple than bottom-performing funds, who bought smaller, slower, thinner-margin businesses for more. Tighter screening correlated with buying better businesses for less.
A deal breaker isn't just any risk. Plenty of businesses carry real risk and still make good acquisitions. A deal breaker is a factor serious enough on its own to end the conversation, because it changes the risk profile of the business rather than just adding texture to it.
The usual suspects show up often enough to be worth naming, though the list below isn't exhaustive:
None of these automatically kill a deal. What they do is force a real conversation before you go any further.
Take customer concentration as an example. Lab guidance here is specific: ideally no single customer above 10% of revenue, with the top five customers under 30% combined. It's not an automatic deal killer on its own, but it's a real flag worth understanding before you go further, and context matters just as much as the number. A defense contractor selling to three primes carries structural concentration that's normal for the industry. A business dependent on one distributor for its entire product line is a different kind of risk at the same number.
Gates 1 and 2 are objective: fit either matches or it doesn't, a red flag either shows up or it doesn't. Gate 3 is a judgment call, and it comes down to one question:
Can you picture yourself actually running this business?
Not whether the numbers pencil, that's what the next stage is for. Just whether there's a version of ownership here you'd want, for the reasons you started this search in the first place. If the answer is yes, the deal has earned the broker call. If it's no, the fit was never going to be there no matter how clean the CIM looked.
Lucas Phillips moved the moment the right business showed up. He saw the CIM for Newark Auto on a Thursday, had a call with the seller on Friday, toured the facility Monday, and was under LOI by Tuesday evening. The business had already earned the next hour, and then the next one after that, so he kept moving instead of waiting to see if something better would surface first.
A three-gate structure beats trying to weigh everything at once, and the reason comes from an unlikely place: fireground command.
Researcher Gary Klein spent years studying how experienced fire commanders make decisions under pressure. Interviewing 26 commanders with an average of 23 years of experience, across 156 real decision points, Klein found that in more than 80% of cases, the commander recognized the situation as a type they'd seen before and moved straight to the response that type called for, no comparison required.
The surprising finding was who was doing the comparing. It was the novices, because they lacked the pattern library to recognize the situation immediately. Experienced commanders already had one.
Buyers who've screened hundreds of listings build the same thing. A three-gate framework is how you start building that pattern library, so judgment gets faster the more you use it.
A framework this fast breaks in a few predictable ways. Watch for these.
Some things only surface in a management meeting or in diligence. Screening for information that doesn't exist yet just wastes the call you haven't earned.
Interesting and investable belong to different categories. A business can be fascinating and still be a bad economic bet. Even a management team with a reputation for brilliance can't rescue a business with a reputation for bad economics. The business's economics tend to win out in the end.
Most CIMs deserve two minutes of your attention, not two hours. Save the depth for the ones that survive the first two gates.
This is the expensive one, and it's backed by real research. In 1985, Hal Arkes and Catherine Blumer tracked theater-goers who'd bought season tickets, some at full price, some at a discount. The full-price buyers went to more shows, including in bad weather and on inconvenient nights, purely because they'd already paid. Money already spent shouldn't affect a decision about what to do next, but it does, reliably. Six hours already sunk into a deal is a signal to check whether you're still evaluating the business, or just protecting the time you've already put in.
Even the Stanford Search Fund Primer flags this as common: searchers adopt a list of screening criteria and stop questioning what each one is actually protecting against. A buy box built from someone else's advice, left unexamined, turns into a habit that only looks like a framework.
A fast no is a trained skill, not a shortcut.
The gates exist to build judgment. They stop working the moment they turn into a rulebook you follow without thinking.
In 2009, two researchers who'd spent careers on opposite sides of a debate about intuition, Daniel Kahneman, who spent his career documenting how badly human judgment can go wrong, and Gary Klein, who'd spent his studying how brilliantly it can go right, published a joint paper trying to reconcile their positions.
They concluded that intuition earns trust under two conditions: The environment has to be regular enough to have real patterns in it. And the person has to have had enough repeated practice, with real feedback, to actually learn those patterns.
Confidence alone doesn't establish either one. Neither does experience on its own, without feedback attached to it.
Deal screening happens to be exactly that kind of environment. Patterns repeat. Outcomes eventually tell you whether your read was right. That's the case for the framework in this piece: build your own judgment, don't try to skip it.