The Hidden Cost of Keeping Everyone Busy

Ryan Haylett

Here's a question that sounds absurd. What if the most expensive person in your business is the one who never stops working? Not the one standing around waiting. The one running flat out all day.

Dave Rowley

That cuts against everything owners are taught. An employee with nothing to do looks like wasted payroll. So the owner walks by, sees someone idle, and hands them more work. Anything, just to keep them busy.

Ryan Haylett

And it feels responsible. But Eliyahu Goldratt took that instinct apart in his 1984 business novel, The Goal. His idea is called the Theory of Constraints. A business is a chain, not a collection of independent stations, and every chain has one weakest link. Strengthen any other link and the chain doesn't get stronger. One source on the theory even says it can get worse, because you've added weight.

Dave Rowley

Put numbers on it. Say there are three steps. Steps one and three can each handle ten units an hour. Step two can only handle five. The whole business produces five an hour. That's it. If step one sprints at ten, the extra five pile up in front of step two every single hour. That's a mountain of unfinished work, and it's tied up cash.

Ryan Haylett

There is a well known mathematical rule called Kingman's formula that proves when any system runs at 100 percent utilization, wait times explode toward infinity. Once you accept that you cannot run everything flat out, the question becomes where to leave slack on purpose. The answer is everywhere except the bottleneck.

Dave Rowley

Goldratt's famous line, as it's quoted from The Goal, is that an hour lost at a bottleneck is an hour out of the entire system, and an hour saved at a step that isn't the bottleneck is worthless. The novel's characters call it a mirage. It looks like savings, but it doesn't change time or money.

Ryan Haylett

Here's a real one. Joe Procopio wrote about starting as COO of Goal Zero the week before Black Friday. The warehouse had over five hundred thousand dollars in backorders. He started working the floor and saw a growing mountain of packed boxes sitting right before two computers that printed shipping labels. The crew was moving fast. The label printing was the limit.

Dave Rowley

So they added two more computers, and by his account the throughput of that step doubled and the pile was gone within days. Nobody had to pack faster. They fixed the one link that mattered.

Ryan Haylett

Now apply it to places that look nothing like a warehouse. Take a dental practice, hypothetically. Say a dental operatory can complete 12 patient visits a day. The front desk, trying to be productive, books 22. That doesn't produce more dentistry. It produces a crowded waiting room, frustrated patients, and a worn out practitioner.

Dave Rowley

Same with a roofing or HVAC contractor. Suppose the install crews can finish four jobs a week, and the sales reps, who are measured on closing, sign eight. Now customers wait weeks, some cancel, and cash gets squeezed. The sales team looks like heroes on their own scoreboard while the business gets worse.

Ryan Haylett

A custom fabrication shop is the same story. Run the cutting equipment at maximum speed while welding and assembly can only handle half that volume, and the shop floor fills with cut material. It's cash sitting on the floor in the way. The Theory of Constraints Institute describes this exact chain reaction: overproduction, carrying costs, a cash crunch, late vendor payments, supply problems, and eventually a damaged reputation.

Dave Rowley

So what do you do instead? The framework has five focusing steps. First, identify the constraint. Walk the process and look for where work piles up, where someone is constantly expediting, where delivery is chronically late. Those piles tend to form right in front of the bottleneck.

Ryan Haylett

Second, exploit it, meaning get the most out of what you already have before spending a dime. Keep it from sitting idle during operating hours. Check quality before work reaches it, so the bottleneck never wastes time on something defective. And pull the admin distractions off it.

Dave Rowley

Third, subordinate everything else. Every other stage works to the pace of the bottleneck. The method is called Drum, Buffer, Rope. The bottleneck is the drum setting the beat. Upstream only feeds it what it can consume. Downstream clears its output right away so it never gets blocked.

Ryan Haylett

And this is where slack earns its keep. By definition, every stage that isn't the bottleneck has spare capacity. One source calls that excess capacity a virtue. It lets the stages absorb a bad day, a breakdown, or a rush, and recover fast, without starving the bottleneck or jamming it. The same source describes sprint capacity, which is deliberate overcapacity at those stages.

Dave Rowley

Fourth, elevate. Only after you've squeezed the first three should you spend capital, like new equipment, better software, or a specialist hire. And fifth, repeat. Fix the constraint and it moves, often from production over to sales, quoting, or distribution. The warning is about inertia, where an old habit quietly becomes the new constraint.

Ryan Haylett

Here's how to start this week. First, walk the process, physical or digital. Look at where unfinished tasks, open tickets, or parts sit waiting. The longest line points at your bottleneck.

Dave Rowley

Second, protect that role. If it's your lead estimator, your best technician, or your master fabricator, take the data entry, setup, and paperwork off their plate and give it to people who aren't the constraint. Their hour is the company's hour.

Ryan Haylett

Third, give yourself permission for slack. When someone at a non bottleneck has a quiet stretch, don't read it as lost profit. Read it as a shock absorber doing its job. Filling that gap with more work is how the pile in front of the bottleneck gets started.

Dave Rowley

The one thing to remember: a business that looks busy everywhere is often a business that's jammed somewhere. Smooth flow beats frantic activity every time.

Ryan Haylett

And if you want help building smarter systems, workflows, and a more resilient strategy through technology, marketing, websites, or automation, you can learn more at modularity.us.