A weekly newsletter walking small business owners through the Profit Mastery Financial Operating System, a step-by-step framework for planning, reviewing and improving company finances. Issues cover diagnosing financial problems, defining owner goals, and running a monthly financial review with trends and ratio scorecards.

A personal Italian newsletter by Manolo Macchetta mixing book reviews (such as a revisited reading of Goldratt's The Goal), AI tool reports (like the JEV decision engine and ElevenLabs), and long-form essays on ideas such as exponential growth and Al Bartlett's arithmetic. Readers get reflective commentary on business, technology and economics with a practical, first-person perspective.

Headroom HQ publishes serialized, case-study-style stories about fictional mid-market companies facing operational problems, such as a 3PL migration or an unmaintained documentation wiki. Each issue pairs narrative with a named operational framework, measured metrics and character or company reference cards.

Andrew Langstone writes practical essays for general contractors on business health, covering topics like measuring profitability over revenue, niche positioning in a fragmented industry, and forecasting project costs. Readers get concrete, experience-based guidance on running a profitable construction business.