A customer asks how a specific feature of your product works. You don't know the technical detail off the top of your head. So you say "I'm not sure about that" and leave it there.
They don't reply. Not always for dramatic reasons. Sometimes they just found someone who sounded more confident about what they were selling, and that was enough.
The answer you don't have isn't the problem. How you handle not having it is everything.
Why "I'm not sure" destroys customer confidence
When a customer asks a specific question about your product, they're already interested. They're not trying to catch you out. They want a reason to trust you enough to buy. A vague answer doesn't just fail to give them that reason; it actively gives them a reason not to.
If you don't know whether your product has a specific feature, how it works, or what it's compatible with, the customer starts wondering what else you're unclear about. One "I'm not sure" can cast doubt on everything else you've said in that conversation.
People don't need you to know everything. They need to feel that when you don't know something, you'll handle it properly. That's entirely within your control.
What to say instead of "I'm not sure" to a customer
Never guess out loud and never leave the question hanging. Own it, commit to finding out, and give a specific timeframe. That combination is what confident and professional sounds like.
| Instead of this | |
|
"I'm not sure how that feature works." |
"Great question. Let me ask our development team and I'll send you the exact details by end of today." |
| "I'm not totally sure if we can do that, sorry about it." | "I want to give you the right answer. I'll check with our team and follow up with you this afternoon." |
| "I'm not sure about that, maybe you can find the answer elsewhere." | "That's outside what we cover but a [specific type of specialist] might be the right person for this. " |
"People don't need you to know everything. They need to trust that when you don't, you'll handle it properly. That's the whole job."
Why a timeframe matters more than a promise
"I'll get back to you" without a when means nothing. A customer waiting for information with no timeline starts to feel ignored after about an hour, even if work is genuinely happening.
"I'll send you the full details by end of today" is a commitment. "I'll get back to you soon" is a guess that creates more anxiety than it resolves. One builds trust. The other just delays the problem.
And then actually follow up. A brand that says they'll check and then genuinely comes back on time builds more trust over time than one that occasionally over-promises and forgets. The follow-through is the part most people skip.
When the question is genuinely outside your area
"That's not something we cover" with nothing else is a dead end. "That's outside our area but a [specific type of company] might be the right place for this" is honest, helpful, and leaves the customer with a direction rather than a shrug.
The difference between those two responses is the difference between a brand that cares about the actual person and one that only cares about closing the conversation.