To identify your business's core constraint, start by asking why you can't simply scale your current successful activities. The answer will immediately point to the true bottleneck, whether it's a lack of metrics, money, manpower, or a flawed model.

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Overwhelmed entrepreneurs can clarify priorities by categorizing every issue as either a supply or demand constraint. A demand constraint is needing more leads and sales. A supply constraint is being unable to fulfill existing orders. This binary focus clarifies the company's single most important priority.

Founders waste time seeking tactical solutions for growth plateaus. The real breakthrough comes from correctly diagnosing the root cause. Once the specific reason for the plateau is identified—of which there are only a handful—the necessary actions become clear.

When founders claim a proven but labor-intensive channel 'doesn't scale,' they often misdiagnose a resourcing problem. The bottleneck isn't the channel's viability but their inability to solve the operational challenge of hiring, training, and managing a team to execute that channel at massive volume.

As a company grows, its old operational systems and processes ('plumbing') become obsolete. True scaling is not about addition; it's about reinvention. This involves systematically removing outdated processes designed for a smaller scale and replacing them entirely.

To instill extreme speed, Sequoia's Doug Leone challenges founders by asking why their growth plan isn't 3x more ambitious. This forces an honest discussion about the true bottlenecks—the "rocks in the river" like funding or hiring. The board's job then becomes helping the CEO remove those specific obstacles.

When a business constraint like "Manpower" is identified, the solution is to re-apply the same diagnostic framework. Treat "acquiring talent" as a process and ask why you can't do more of it, revealing its own bottleneck (e.g., lack of hiring metrics).

Business growth isn't linear. Scaling up introduces novel challenges in complexity, cost, and logistics that were non-existent at a smaller size. For example, doubling manufacturing capacity creates new shipping and specialized hiring problems that leadership must anticipate and solve.

When you identify your business's primary bottleneck, don't take incremental steps. The most effective approach is to overwhelm the problem by simultaneously reading books, watching videos, hiring coaches, and taking massive, relentless action until that constraint is completely resolved and a new one emerges.

Applying the Theory of Constraints, a startup's growth is limited by a single bottleneck in its factory (pipeline, sales, or delivery). Improving onboarding is useless if you have one sales call a month. All focus must be on solving that single constraint to make progress.

A startup's core function is to find one successful, repeatable customer 'case study' and then build a factory (pipeline, sales, delivery) to replicate it at scale. This manufacturing-based mental model prevents random acts of improvement and helps founders apply concepts like bottleneck theory to know exactly where to focus their efforts for maximum impact.