Run me through your vendor evaluation for a category I name.

No category was handed to me for this one, so here's the assumption I'm running with: an AI predictive-maintenance dispatch vendor, the kind that tells a field service company which job to send a technician to next and when a unit is about to fail. Coldstream Mechanical is the HVAC service company. Deshawn Okoye is its Field Operations Manager. Talonbrook is the vendor up for evaluation.

How to answer this, stage by stage

Look, nobody's grading you on naming every line item a procurement checklist would have. They're grading whether your order of operations protects against the mistake you genuinely can't walk back.

What unblocks what, and what you can't take back

Here's the plan I'd actually run, if Coldstream Mechanical were choosing between AI dispatch-routing vendors for its HVAC technicians.

Each box has to clear before the next one starts. Skipping ahead is exactly how the near miss happened.

Before Talonbrook, a dispatcher named the routes by hand every morning, juggling twelve technicians against a paper map and a gut sense of traffic. That took about ninety minutes a day and ran on instinct that was usually right, but not always, especially on a technician's first week covering a new zone.

The pilot sits in the left box on purpose. The full contract only moves right once the pilot has earned it.

Here's the turn: the actual risk in a vendor evaluation isn't picking the wrong vendor. It's picking the right vendor in the wrong order, checking price and features before security and reversibility, so that by the time a real problem surfaces, walking away costs more than living with it.

At its worst, skipping straight to a signed annual contract on a good demo alone means finding out about a security gap, or a routing-data lock-in, only after the cost of leaving has already gotten large.

Four parts, evaluated in an order, not a pile checked off in whatever sequence feels convenient.

What I would leave alone: Talonbrook's dashboard color scheme, its mobile app's icon set, and which report format it exports by default. None of those decisions are hard to undo later, and spending real evaluation time on them just delays the parts that actually matter.

The lesson: the order you check things in is itself a decision, and most teams pick that order by accident instead of on purpose.

Now here is the same thing as a story

The short version above is what you'd say defending the evaluation order to Coldstream's ownership. Read this one for how close the shortcut actually came.

The dispatch office at Coldstream gets loud around 6:45 every weekday morning, twelve technicians checking in for their routes before the summer heat makes every AC unit in the county start failing at once. Deshawn Okoye had run that morning routine for six years and could reroute a broken-down van's whole day from memory before his coffee finished brewing.

Talonbrook's sales rep came in with a strong number: a routing engine that claimed to cut missed-appointment windows by a third, priced twelve percent below its nearest competitor if Coldstream signed a three-year term that quarter. Ownership liked the price. The pressure was on to sign fast, before the quarter-end discount expired.

Deshawn's team was mid-way through the standard security review when the sales rep pushed for a signature before month-end. The temptation was real: skip ahead, sign now, let security finish the review after the ink was dry, since it was "basically a formality anyway."

A discount that expires this quarter is a sales tactic. A three-year data lease is a real decision.

The security team's review turned up the gap two days before the discount deadline. Home-access codes for hundreds of Coldstream customers were sitting in a format any employee with basic database access at Talonbrook could read directly. It wasn't a hypothetical risk. It was already true, for every pilot customer already routed through the system.

The security gap would have landed in the same high-impact, hard-to-undo corner as the data lock-in, if it had gone unnoticed.

Coldstream didn't walk away from Talonbrook. They walked away from the three-year term, until the vendor fixed the encryption gap and re-ran the review clean. The eight-week pilot that followed, at a smaller scale and a shorter commitment, is where the real routing-time numbers came from, not the sales demo.

ORDER, in one screenNot a generic due-diligence checklist. ORDER is what tells you which item on that checklist actually goes first.

Notice what isn't item one on this list: price. That's the point.

The recap, one line per letter: outcome is naming missed-appointment and callback rate as the real target, reversibility is putting the security gap and the data lock-in above every other concern, dependency is the security review gating the pilot and the pilot gating the contract terms, evidence is an eight-week pilot bought before a three-year commitment, and rank is the order itself, security first and price last.

And if you want to be sure it really works, try it somewhere elseSame five letters, a regional pharmacy chain's AI inventory-forecasting vendor instead of a dispatch router. A different dependency breaks the second story.

Briarcrest Pharmacy Group is evaluating Quillow, an AI vendor that forecasts which prescriptions and over-the-counter items each store location will run short on before it happens. Adaeze Nwosu, Director of Pharmacy Operations, runs the evaluation. Mapped onto ORDER: outcome is stockout rate on high-demand prescriptions, not a generic forecast-accuracy score; reversibility puts a controlled-substance data-handling review above everything else, since a compliance gap there isn't just costly, it can be legally disqualifying; dependency here works almost the reverse of Coldstream's case, the compliance review has to clear before a pilot can even legally begin, not just before it's wise to begin.

The evidence step is where this story diverges. Briarcrest couldn't run an eight-week live pilot the way Coldstream did, because forecasting errors on controlled substances carry real regulatory exposure even during a trial. Instead, the cheap evidence came from a shadow pilot: Quillow's model ran silently alongside the existing manual reorder process for six weeks, its predictions logged but never acted on, then compared after the fact against what actually ran short.

Same four parts. "Pilot scope" just means something more cautious in a regulated category.

Swap the trigger and it still runs.
Speed: an interviewer caps you at sixty seconds. Say "rank by what's hardest to undo, security and data terms before price," and stop.
Cost: there's real pressure to take a quarter-end discount before diligence finishes. Say so honestly, and hold the line on security clearing first anyway, since a discount that requires skipping it is a discount on the wrong thing.
The model gets better, for real: if a vendor's pilot numbers come back stronger than expected, that's still not a reason to skip the exit-clause negotiation, a good pilot earns a faster path to signing, not a shortcut past reversibility.

Where people run it wrong.
They rank by what's easiest to compare in a spreadsheet, price and feature lists, instead of by what's hardest to undo.
They let a deadline discount rush the security review instead of gating the discount on the review finishing.
They treat "we can renegotiate later" as true of every contract term, when it's really only true of some of them.

How to use it live. The moment someone hands you a vendor category, ask yourself one question before ranking anything: if this decision turns out wrong in a year, which one of these steps was the point of no return? Put that one first.

Flashcards (tap any card to flip it)

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