The Natural Speed Limit
Every good thing has a growth rate it can't exceed without breaking.
- Difficulty
- Moderate
- Time to result
- ~ongoing to results
- Steps
- 3
- Confidence
- 85%
Housel observes that whenever something is working — an investing strategy, a company, a career — the knee-jerk reaction is to make it go faster, bigger, harder, out of a fear of leaving money on the table. But everything good has a natural speed limit, and you usually only learn where it is in hindsight, after you've exceeded it and 'gotten a speeding ticket.' Investors add leverage and concentration; companies grow at all costs. Starbucks in the mid-2000s opened stores on every corner and let coffee and food quality disintegrate, breaking the business for a period. The guardrail is honestly understanding why you're successful, so any deviation from that reason signals you're about to lose what made you special.
Origin
Housel illustrates the concept in his book with Starbucks' mid-2000s over-expansion, where relentless store growth collapsed product quality and damaged the business until it corrected.
Core principles
- 01Anything good has a natural speed limit; exceeding it breaks the thing.
- 02You usually only discover the limit in hindsight, after you've blown past it.
- 03The instinct to 'not leave money on the table' pushes people over the limit.
- 04Knowing why you're successful is the key to not destroying it while scaling.
How to run it
- 1
Diagnose why you're actually winning
Get an honest assessment of the specific reason customers love you or your strategy works — not a flattering assumption.
Pro tip Once you can say 'customers like me because of X,' any move away from X predicts losing what made you special.
Watch out Many people don't actually understand why they're successful, which is why they overlook what's needed to sustain it.
- 2
Find the speed limit before you exceed it
Recognize there is a maximum sustainable rate of growth for your quality level, and resist the urge to push past it just to avoid leaving money on the table.
Watch out You typically only discover the limit after you've crossed it and the business breaks.
- 3
Protect the source over the rate
Prioritize preserving the quality or advantage that drives success over maximizing the speed or size of expansion.
Watch out Watch for red flags like leverage, over-concentration, and 'grow, grow, grow' as the only goal.
In the wild
In the early-to-mid 2000s Starbucks opened new stores on nearly every street corner, chasing growth above all. The company's only goal became grow, grow, grow — and the quality of the coffee, food, and stores disintegrated as it far exceeded the growth rate it could sustain at that quality.
→ The business broke for a period; Starbucks later admitted it had pushed way past its natural growth rate and had to pull back to restore quality.
Common mistakes
Milking the goose to death
Adding leverage, concentration, or all-out expansion to a working strategy out of fear of leaving money on the table usually pushes it past the speed limit and breaks it.
Is it for you?
Best for
Founders, operators, and investors deciding how hard to push a winning strategy.
Not ideal for
Early-stage ventures still searching for product-market fit rather than managing scale.
From the transcript
“there was a natural speed limit to what you're doing and if you go over the speed limit you're going to get in trouble”
“understanding why you are successful is the key to doing this”
From the episode
Morgan Housel: How to ACTUALLY Build Wealth, Investing to Gain Financial Independence
Morgan Housel