Jeffrey Kyle Castor

Time to get better, day by day — a portfolio on business, technology, and the systems behind success. Essays on building companies, sharpening the mind, and the pursuit of a better tomorrow.

Subjects

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Pick a thread and follow it — each subject gathers the essays that orbit a single idea.

Mind

Essays on attention, fear, practice, and the architecture of a steadier mind.

29 Writings

Technology

Cloud, data, security, and the systems quietly reshaping how we live and work.

47 Writings

Money

How value is created, where wealth hides, and the economics of everyday life.

25 Writings

Selected Writings

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Data Liability to Business Asset: The $275,000 Pen-Stroke Leak

Money

Shattering the Priesthood: How to Use the 10/80/10 Rule for Rapid Skill Acquisition

Mind

The 10x Architect: How We Automated a $1B Empire and Killed the Weekend Grind

Technology

The Bodybuilder-Pianist: Why Discipline Scales Better Than Code

Mind

Multi-Level BOM Auditing: How AI Eliminates Circular Redundancies and SKU Overlap in NetSuite

Technology