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How to test a salesperson in five minutes: one conversation with an ordinary buyer
A job interview won't show how someone sells. A short conversation with an ordinary buyer will: three parts, a warm exit, and a debrief in the buyer's voice.
In a job interview, a salesperson tells you how they sell. But talking about selling and actually selling are two different skills. Plenty of people can talk confidently about their track record. Far fewer will ask buyers about themselves before they start talking about the product.
You can test for this without live customers or call recordings. All it takes is one short conversation with an ordinary buyer. Not a "difficult customer," just someone who's mildly interested and in no hurry. Here's how that conversation works and what to watch for.
Why a "difficult customer" tests the wrong thing
Interview role-plays often feature a rude or skeptical buyer. That kind of scene shows whether someone can take a punch and hold their own in an argument. But most real conversations don't go that way. The buyer is polite, listens, nods along, and decides nothing.
With a buyer like that, salespeople don't lose an argument. They lose quietly. First they hear "Mm-hmm, interesting," then "Let me think about it," and they never hear from that person again. From the outside, the conversation looked fine. Nobody argued, and nobody said no. That's exactly what you want to test.
One conversation, three parts
The conversation is short, about eight exchanges. The salesperson gets one instruction: sell the way you normally would. Don't teach them any method beforehand, or you'll be testing how well they memorized it instead of how they sell.
Part one: the buyer answers only what's asked
The buyer answers only what they're asked and volunteers nothing. If the salesperson launches into a pitch without asking anything about them, the buyer gives a polite "I see" or "Mm-hmm, interesting," and the answers get shorter.
That's not a punishment. It's how anyone reacts when someone tells them about a product they didn't ask about. Watch the salesperson's first two or three lines. Are they asking about the buyer, or talking about the product?
Part two: a little pushback
Somewhere in the middle, the buyer says one ordinary thing, just once: "Seems a bit pricey" or "I've seen something similar somewhere else." It's not an argument or a trap. It's a normal reaction.
This is where you see what the salesperson ties their answer to. If it's how this particular buyer would use the product, the conversation warms up. If it's a feature list or pressure, the buyer cools off.
Part three: the warm exit
At the end, the buyer says something like "Sounds good. Give me till the end of the week to think it over," "I like all of it, but I need to run it by my wife," or "Email me the proposal and I'll take a look."
It's not a no, and it's not a price objection. The buyer likes what they heard but isn't ready to decide today. Nothing else in the conversation separates salespeople as sharply as this moment.
What happens after "let me think about it"
| What the salesperson does | What the buyer feels |
|---|---|
| Asks, "What's keeping you from deciding today?" | Wants the conversation to be over |
| Jumps straight to a discount | Feels talked into it, and figures the price was never right to begin with |
| Offers to explain everything to the buyer's wife directly | Feels worked around, not worked with |
| Calmly lets them go, then comes back to what the buyer liked | It's still their call, and they're closer to making it |
| Asks what the buyer would tell their wife | Puts the upsides in their own words and wants it even more |
That last row isn't a trick. When people explain in their own words what they liked, they hear their own reasons, and we all trust our own reasons more than someone else's.
A debrief in the buyer's voice, with no jargon
After the conversation, the buyer gives the debrief. It has three parts:
- What the salesperson did well: two moments, each with a quote of what they said and the effect it had.
- Where the salesperson lost them: one or two moments, also with quotes, described as a feeling: "This is where I stopped listening," "It felt like you were talking me into it," "I wanted this to be over."
- Would they have bought? A straight answer (yes, no, or "almost, but…") and the reason, in a sentence or two.
Why this instead of a score? Salespeople argue with scores. It's hard to argue with how a specific person felt, tied to something you actually said: here's what you said, and here's what it did to me. And there's no methodology jargon in it. Someone who hasn't had any training yet gets a clear picture, not a lecture.
How to run the test
- Use a real product and a typical customer. Not "Sell me this pen," but what they'll actually be selling on the job, to the kind of person who usually buys it.
- Don't explain the rules up front. The only task is to sell the way they normally would.
- One conversation, no do-overs. The first attempt shows the habit, and the habit is what you're testing.
- Go over the debrief with the salesperson. The quotes settle any argument about what really happened.
- Run it again after a couple of weeks of practice. The same kind of buyer will show what's really changed in their habits, not just in what they say.
A colleague can play the buyer, as long as they don't drop hints. Or an AI can. In Sales Commander, this is the first conversation you have: you say what you sell and who you sell to, and the debrief comes right after the conversation. Try it free.
The bottom line
Five minutes with an ordinary buyer tells you more about a salesperson than an hour of hearing about their experience. Watch three moments: how they open, how they handle a mild "seems a bit pricey," and what they do when the buyer wants to think it over. If, by the end, the buyer is the one listing what they liked, you've got someone who can sell. If the buyer just wants the conversation to be over, there's something to work on.