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Oliver Buchannon
Colin King

CEO of Profit Mastery. CPA and CFA. Colin teaches small business owners how to master their numbers, command their cash, and scale with confidence.

Unit Economics

Find Your Economic Engine: Unit Economics

Jun 24, 2026

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4 min read

Find Your Economic Engine: Unit Economics

How to know if each sale is actually making money, then what to do about it.

Colin King
Colin King

Cash

Winners & Losers

Jun 11, 2026

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3 min read

Winners & Losers

Your sales mix shows you the winners and losers hiding inside your top-line revenue.

Colin King
Colin King

Foundations

The 4 Questions to Ask

Jun 4, 2026

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3 min read

The 4 Questions to Ask

You spent 30 minutes reviewing your numbers. Now what?

Colin King
Colin King

Foundations

How to Read Financials in 30 Minutes

May 28, 2026

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6 min read

How to Read Financials in 30 Minutes

Review your numbers with this 30 minute framework

Colin King
Colin King

Pricing

How To Buy $56 For $10

May 19, 2026

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5 min read

How To Buy $56 For $10

Fascinating deal structures and the "creative" side of finance

Colin King
Colin King

Mindset

Pictures > Words > Numbers

May 12, 2026

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4 min read

Pictures > Words > Numbers

3 ways to make finance easy

Colin King
Colin King

Cash

The Most Important Loan Term

May 7, 2026

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4 min read

The Most Important Loan Term

Is a 12.5% interest loan better than a 7% loan?

Colin King
Colin King

Mindset

Process > Outcome

Apr 21, 2026

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4 min read

Process > Outcome

Why the hard work never really ends and what to do about it

Colin King
Colin King

Pricing

$1.50

Apr 14, 2026

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3 min read

$1.50

The business strategy behind absurdly cheap menu items at The Masters

Colin King
Colin King

Scorecards

A Guide to Scorecards (Part III)

Apr 7, 2026

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5 min read

A Guide to Scorecards (Part III)

Looking at the tactical side of using your ratio scorecard (action)

Colin King
Colin King

Scorecards

A Guide to Scorecards (Part II)

Mar 21, 2026

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6 min read

A Guide to Scorecards (Part II)

Turn your financials into a literal report card for your business health

Colin King
Colin King

Scorecards

A Guide to Scorecards (Part I)

Feb 18, 2026

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6 min read

A Guide to Scorecards (Part I)

Every big company uses this tool and small businesses can too

Colin King
Colin King

Margins

Simple + Profitable

Feb 10, 2026

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4 min read

Simple + Profitable

2026 is the year of simplicity and profitability.

Colin King
Colin King

Foundations

What is Profit Mastery?

Jan 25, 2026

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3 min read

What is Profit Mastery?

TL;DR = financial tools & guides for SMB owners written by SMB owners

Colin King
Colin King

Cash

The Cash Conversion Cycle

Jan 13, 2026

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2 min read

The Cash Conversion Cycle

How's your cash conversion?

Colin King
Colin King

Foundations

10 Financial Tips for 2026 (Part 2)

Jan 3, 2026

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3 min read

10 Financial Tips for 2026 (Part 2)

10 tips to make 2026 super profitable (pt. 2)

Colin King
Colin King

Foundations

10 Financial Tips for 2026 (Part 1)

Dec 27, 2025

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4 min read

10 Financial Tips for 2026 (Part 1)

10 tips to make 2026 super profitable (pt. 1)

Colin King
Colin King

Mindset

I'm Having a Good Time... NOT

Dec 20, 2025

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2 min read

I'm Having a Good Time... NOT

Put yourself out there and do things that scare you

Colin King
Colin King

Margins

Your Real Growth Rate

Dec 13, 2025

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3 min read

Your Real Growth Rate

What's your current growth rate?

Colin King
Colin King

Mindset

Why Your Numbers Need a Story

Dec 6, 2025

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3 min read

Why Your Numbers Need a Story

Colin King
Colin King

Foundations

The Profit Journey

Nov 23, 2025

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2 min read

The Profit Journey

Colin King
Colin King

Cash

Tracking Collections with DSO

Nov 15, 2025

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2 min read

Tracking Collections with DSO

Metric of the Month: DSO

Colin King
Colin King

Mindset

We're Not Thinking Big Enough

Nov 8, 2025

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2 min read

We're Not Thinking Big Enough

Supersize Me

Colin King
Colin King

Mindset

A (Financial) Tale of Horror

Nov 1, 2025

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2 min read

A (Financial) Tale of Horror

The Curse of Growth

Colin King
Colin King

Mindset

Smart Owners Keep Getting Smarter

Oct 25, 2025

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1 min read

Smart Owners Keep Getting Smarter

Compounding Knowledge

Colin King
Colin King
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Profit Mastery

Know your numbers. Command your cash. Scale with confidence.
5868 E. 71st St. STE E690, Indianapolis, IN 46220