Mitlin Money Mindset

The $60M Lesson: How Constraints Can Scale Your Business with Adam Callinan

January 14, 2026 | Episode #272

Meet the Guest

Adam Callinan

Adam Callinan is the founder of Pentane, an advanced version of the system he used to earn $60M+ in profitable revenue with just 4 employees and 0 investors at his prior eCommerce company. Adam previously co-founded BottleKeeper, a bootstrapped eCommerce brand that achieved $8m in revenue in just its third year, with 0 employees. BottleKeeper later appeared on Shark Tank and was acquired in 2021 by Wind Point Partners/RTIC Outdoors, marking Adam’s second exit. Adam lives in Montana, writes for INC, and hosts the Growth Mavericks podcast, in addition to being a husband, dad, and avid outdoorsman.

Show Notes

Imagine building a $60M company with just four employees — and then selling it. That is Adam Callinan’s story with BottleKeeper.

In this episode, he shares the constraints that allowed them to scale quickly, why they decided not to sign a deal with Mark Cuban after appearing on Shark Tank, and what ultimately made them sell. Our conversation centers on the common struggles in the entrepreneurial journey and the lessons Adam took into his next company, Pentane.

Resources

Sending your child to college will always be emotional but are you financially ready?

Take the College Readiness Quiz for Parents!

Doing your taxes might not be enJOYable but being more organized can make the process less painful.

Get Your Gathering Your Tax Documents Checklist!

Will you be able to enJOY the Retirement you envision?

Take the Retirement Ready Quiz!

About the Podcast

Welcome to Mitlin Money Mindset®️! With your host, Larry Sprung, CFP®️, Founder and Wealth Advisor at Mitlin Financial Inc®️. With over 20 years of experience as an entrepreneur in the financial services industry, Larry thrives to help you achieve your goals while finding JOY in the journey.

Each week, he’ll go deep with engaging guests who provide tangible takeaways and a whole lot of JOY along the way. Here, we don’t just talk about money; we celebrate it as a catalyst for JOY and possibility. Whether you’re saving for the future, planning your next big adventure, or just looking to add some spark to your daily money management, you’re in the right place.

We hope you enJOY these conversations as much as Larry enJOYed having them. And remember to ask yourself, what did you do today that brought you joy?®️

The $60M Lesson: How Constraints Can Scale Your Business with Adam Callinan

Meet the Host

Larry Sprung

CFP®, CEPA®
Founder & Wealth Advisor