The 80% Rule: Why Maxing Out Caps Your Growth

Last week we turned your goal into a real target. Say it came out to 14 patients a day at $500 each, four days a week. Here's how we got there.

Now the honest question, before you chase it. Can your practice handle that?

Because a goal your setup can't support isn't a goal. It's a plan to run yourself and your team into the ground trying to force a number the practice was never built to produce. Better to find out now.

Capacity Is a Numbers Question

Capacity sounds squishy, but it's math. It's how much your current setup, your chair time, your providers, your exam rooms and equipment, your staff, can realistically produce. You take what the goal requires, the number we built last week, and hold it up against what your practice can deliver.

The gap between those two, or the lack of one, tells you whether you're chasing something reachable or something that's going to break things.

The 80% Rule

Here's what most owners overlook regarding capacity.

They plan to run at 100%. Every slot filled, every provider maxed, every day packed to the edge. It feels efficient. It's fragile, and it caps you at the same time.

I model 80% as full capacity instead. Build the plan so that hitting the goal uses about 80% of what you and your team could do on paper. That 20% you leave open is doing two jobs at once.

First, it's your room for error. Practices don't run in a straight line. You'll have a sick day, a run of no-shows, a staffer out, a slow week. Plan to 100% and every one of those makes you miss. Plan to 80% and you absorb them and still hit your number.

Second, it's your room to grow. You've built the plan to be completely maxed just to reach the goal, so you can never beat it. There's no headroom left. Leave that 20%, though, and a strong stretch lets you catch the extra that fast-tracks you to the next phase, or simply clear the number you set. You can't exceed a goal you've already planned to hit at full tilt.

And the 80% has to work in both directions, your own schedule and your team's. A plan that runs you at 80% but grinds your staff at 100% isn't an 80% plan. It's a burnout plan with a buffer for you only.

Then You Find Out What You Need

Run the goal against your capacity at 80%, and you land in one of two places.

Your setup can handle it. The goal fits inside 80% of what you already have. If that's you, you don't need to add a thing. You need to fill the capacity you already own, the open chair time, the underused optical, the provider hours you're already paying for. Most owners reach for "hire someone, add space, buy the thing" long before they've filled what's already sitting there. Filling it first is growth from strength, and it's the cheapest growth there is. I wrote more about building that kind of structure here.

Or your setup can't handle it, even at 80%. The goal needs more than your current infrastructure can produce without redlining it. Now you know the real cost of the goal isn't just effort. It's a new provider, more hours, another lane of equipment, or more space, and those have to come before you chase the number, not after you've burned out trying. Growth stacked on a maxed-out model doesn't reach the goal faster. It breaks the model faster.

Growth From Strength

Notice the pattern. You don't chase a goal by running your practice at 100% and hoping. You size the goal against real capacity, keep 20% in reserve, and then either fill what you own or build what you're missing, on purpose, before you push.

That's the line between planning with purpose and growth at all costs. One builds a practice that can carry the goal and then some. The other burns down a good practice trying to hit a number it was never built to reach.

Last week, what your goal requires. This week, whether your practice can carry it. Next week, the part that makes all of this real. Doing something about it before the year runs out.

Want to Pressure-Test Your Capacity?

If you want to know whether your practice can carry your goal at a sane 80%, or what you'd have to change to get there, that's the kind of thing we work through together. Click here to Book Your Financial Clarity Call and we'll size your goal against your real capacity.

To your abundant practice,

Eric Levenhagen, CPA CTS

Eric Levenhagen, CPA CTS, is the only financial consultant who helps private practice optometrists improve the financial health of their practice with a simple process called Financial Harmony, designed to reduce their taxes and increase their after-tax profits so they can reach their personal goals faster.

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