Blog

My journey, written down.

Thoughts on energy, digital finance, commerce and agentic development – as they happen.

Archive

Earlier articles

From more than 10 years of blogging: founder life, travel and the early crypto/Web3 years. German articles are in the German blog →

Germany's Investment Deduction Under Section 7g EStG: Claiming It Retroactively, With a Solar Example
Finance

Germany's Investment Deduction Under Section 7g EStG: Claiming It Retroactively, With a Solar Example

October 10, 2026
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AI Agents for Small Retailers: The Unfair Advantage
AI

AI Agents for Small Retailers: The Unfair Advantage

October 9, 2026
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Tax Audit in Germany: How Often Tax Offices Audit, How Long It Takes and How to Prepare
Finance

Tax Audit in Germany: How Often Tax Offices Audit, How Long It Takes and How to Prepare

October 8, 2026
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Why the Fourth Quarter Decides the Retail Year
Commerce

Why the Fourth Quarter Decides the Retail Year

October 7, 2026
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Withdrawal Button in EU Online Shops: What Germany Requires Since 19 June 2026
Commerce

Withdrawal Button in EU Online Shops: What Germany Requires Since 19 June 2026

October 6, 2026
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Energy Sharing in Germany Under Section 42c EnWG: What Sharing Solar Power Really Saves
Energy

Energy Sharing in Germany Under Section 42c EnWG: What Sharing Solar Power Really Saves

October 5, 2026
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Political Discontent in Germany: Why People Feel Let Down by the Political Centre
Founder Life

Political Discontent in Germany: Why People Feel Let Down by the Political Centre

October 4, 2026
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How German Tax Offices Are Supervised: Who Oversees Them and What Complaints Achieve
Founder Life

How German Tax Offices Are Supervised: Who Oversees Them and What Complaints Achieve

October 3, 2026
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Load Profile and Demand Charges: How One Quarter Hour Sets a Year of Grid Fees
Energy

Load Profile and Demand Charges: How One Quarter Hour Sets a Year of Grid Fees

October 2, 2026
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Declining-Balance Depreciation at 30 Percent: How Germany's Investment Booster Works Until 2027
Finance

Declining-Balance Depreciation at 30 Percent: How Germany's Investment Booster Works Until 2027

October 1, 2026
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