FREE MASTERCLASS
The eCommerce founder’s guide to scaling profitably without guessing.
Learn the financial framework Adam Callinan used to scale BottleKeeper to $60M+ in sales without outside capital — including how to connect marketing, finance, contribution profit, ad spend, pricing, discounts, and fixed expenses into one clear operating system.
“The masterclass was great! Even though I am familiar with the basic financial concepts you outlined, it really helped me organize my thoughts to explain everything to my CEO. We are now aligned (finally) on ROAS and break-even, which will serve as a KPI for the whole team to track.”
Melissa Blackburn
LuxeandLemons.comThis is not finance theory. It’s the operating math behind profitable eCommerce growth.
Why marketing and finance get disconnected — and how that creates expensive decisions.
Where founders actually make money, and why eyeballs matter less when the foundation is broken.
Revenue, fixed expenses, variable expenses, and ad spend — and why they behave differently.
How to tell whether your decisions are adding profit or quietly taking it away.
Pricing, LTV/AOV, conversion rate, ad budget, and marketing efficiency.
How discounts can make revenue look better while crushing contribution profit.
How to set ad budgets, hire, and grow using math instead of gut feel.
Make the decisions that usually feel like guesses — pricing, ad spend, discounts, hiring, and scaling — with actual financial guardrails.
Adam co-founded BottleKeeper and helped scale it to more than $60M in total revenue with no investors, no outside capital, and a lean team before selling to private equity.
This masterclass breaks down the financial operating system behind that growth so eCommerce founders can stop waiting weeks for answers and start making clearer decisions in real time.

Co-founder of BottleKeeper — grew to $60M+ in total sales with no outside investors and a small team. Shark Tank 2018 alum. Now founder of Pentane, built to help eCommerce operators understand what is actually driving profit.
“You don’t need to be a CFO. You just need to understand finance from the seat of the operator.”
“Pentane transformed murky data into simple, actionable steps. As a result, Pakt revenue is up 54% year-over-year, with strong profit growth.”
Malcolm Fontier
Founder, PaktBags.com
Pentane connects accounting, revenue, and ad data so founders can see contribution profit, marketing efficiency, and the profit impact of their decisions in real time. This masterclass teaches the thinking behind the system.
Free access. No credit card required.