Field Notes

How to Tell if Your Business Has a Revenue Leak: a 3-Question Self-Check

By Michael Reaves · Kestrel Metrics · July 23, 2026 · 4 min read

You can tell whether your business is leaking money with three questions. Most owners cannot answer them with a number, and that inability is itself the first sign. When the answers are guesses, the leak is usually running $3,000 to $10,000 a month. Answer these three honestly, in figures, and you will know within ten minutes where to look.

Question 1: How many calls went unanswered last month?

Not roughly. The number. Industry studies of tracked home services lines suggest a large share of inbound calls go unanswered, and most owners have no idea what their share is. If you cannot say how many callers hit voicemail and never called back, you are not measuring the door most of your money leaves by. The callers do not complain. They just dial the next shop.

Question 2: How many quotes from last month did you follow up on?

Every quote you sent was a job you nearly had. Most jobs close after several touches, not one. So the real question is how many of last month's quotes got a second and third contact. If the answer is most of them got none, you already found a leak, because the expensive part, the site visit and the estimate, was already paid for and then left to go cold.

Question 3: How many past customers have you contacted this year?

Your past customers are the cheapest work you can book. If you cannot say how many you have reached out to this year, the honest answer is probably close to none, and that list is quietly going cold. A customer who already paid you once is worth far more than a stranger, and reaching them costs far less. Silence on this question is money sitting untouched.

What your answers mean

If you answered all three with real numbers and the numbers are strong, you may genuinely need more volume, and that is worth knowing too. If you answered with a shrug, you did not fail the test. You found the leak. The gap between what you can measure and what you cannot is exactly where the money hides. You cannot fix what you refuse to count, and you cannot count what you have never looked at.

On a free call, we can see if the numbers you can’t answer are hiding a leak. I'll find your first leak on the spot. It takes about three questions.

Book a free discovery call

Common questions

What if I do not know any of the three numbers?

Then start counting this week, one at a time. Not knowing is the most common answer and the clearest signal. The leak lives in the gap between what runs your business and what you actually track, and closing that gap starts with a single count.

Which question matters most?

The first, for most shops. Unanswered calls are usually the largest and cheapest leak to close. But all three point at money you already paid to earn, which is why they beat any question about getting more leads.

How long does this self-check take?

The questions take ten minutes to ask and a week to answer with real numbers, because you have to go count. That week of counting is often the most profitable week an owner spends all year, because it tells him exactly where to look.

If you cannot answer these three in numbers, you do not have a measurement problem. You have a leak.