The blog for people who work for themselves.
Strategy, numbers and tools to grow your business, no fluff.
Growth and marketing
When to stop a campaign that isn't selling: the stop threshold rule
Deciding upfront how much to spend and when to stop is the difference between a test and a bet. Here is how to set a sensible stop threshold, with a worked example.
October 13, 2026 · 3 min read
Finances
Real margin: what you actually keep from every sale
Price minus product cost is not your margin. Shipping, fees and VAT on fees change the math. Here is how to calculate it properly, step by step.
October 10, 2026 · 2 min read
Productivity
Running a side business next to your job: a five-step weekly system
A few hours in the evenings and on weekends are enough if they are organized. A simple system to decide what to do, when to do it and how to tell whether you are making progress.
October 6, 2026 · 2 min read