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My journey, written down.

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

Germany's Child Pension Scheme, Calculated
Finance · September 21, 2026

Germany's Child Pension Scheme, Calculated

From 2027 the German state pays ten euros a month per child for twelve years. Calculated with three return assumptions instead of one, plus the top-up arithmetic, the decision facing parents, and why the real effect is not in the money.

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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 →

ESG in Battery Projects, and How You Lose It
Energy

ESG in Battery Projects, and How You Lose It

September 20, 2026
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What a One Percent Cost Cap Does to a Market
Finance

What a One Percent Cost Cap Does to a Market

September 20, 2026
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How I Build Several Companies at Once Without Drowning in Chaos
Founder Life

How I Build Several Companies at Once Without Drowning in Chaos

September 19, 2026
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Grey Power, Green Power, Mixed Storage: Where the Money in a Battery Is Decided
Energy

Grey Power, Green Power, Mixed Storage: Where the Money in a Battery Is Decided

September 17, 2026
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SLABHIT launch: two graded cards from the Opening Show on 15 September 2026
Commerce

SLABHIT Launch: Live Commerce for Trading Cards from Brandenburg, the First 48 Hours

September 17, 2026
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ESG Reporting After the Omnibus: The Duty Shrinks, the Demand Does Not
Finance

ESG Reporting After the Omnibus: The Duty Shrinks, the Demand Does Not

September 16, 2026
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Selling trading cards and taxes in Germany: the three thresholds
Commerce

Selling Trading Cards and Taxes in Germany: What 30 Sales, 1,000 Euros of Profit and 25,000 Euros of Revenue Trigger

September 15, 2026
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Keep, Freeze or Switch Your Riester Contract: A Decision Tree
Finance

Keep, Freeze or Switch Your Riester Contract: A Decision Tree

September 14, 2026
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Germany's New Retirement Account for the Self-Employed: What the Opening Is Worth
Finance

Germany's New Retirement Account for the Self-Employed: What the Opening Is Worth

September 13, 2026
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Local AI for SMEs: When Running Your Own LLM Actually Pays Off
AI

Local AI for SMEs: When Running Your Own LLM Actually Pays Off

September 12, 2026
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Crypto at year-end: the patterns that repeat
Finance

Crypto at Year-End: The Patterns That Repeat

September 11, 2026
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Stablecoins 2027: from experiment to infrastructure
Finance

Stablecoins 2027: From Experiment to Infrastructure

September 10, 2026
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Tokenizing real-world assets: the quiet trend
Finance

Tokenizing Real-World Assets: The Quiet Trend

September 9, 2026
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Cardmarket, Broken Down: the numbers, the fees and a closing interface
Commerce

Cardmarket, Broken Down: The Numbers, the Fees and an Interface That Is Closing

September 8, 2026
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Germany's new retirement account: how one law redistributes a market
Finance

Germany's New Retirement Account: How One Law Redistributes a Market

September 7, 2026
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Split Air Conditioning and the Subsidy Question: What the Rules Actually Say
Energy

Split Air Conditioning and the Subsidy Question: What the Rules Actually Say

September 6, 2026
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Heat Pump Subsidies: The Mandate Is Gone, the Money Is Running Out
Energy

Heat Pump Subsidies: The Mandate Is Gone, the Money Is Running Out

September 5, 2026
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Solar Subsidies: What Is Left in 2026 and Where the Money Moves Next
Energy

Solar Subsidies: What Is Left in 2026 and Where the Money Moves Next

September 4, 2026
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Turning Forty: Over Twenty Years in Business, and the Best Is Yet to Come
Founder Life

Turning Forty: Over Twenty Years in Business, and the Best Is Yet to Come

September 3, 2026
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Feed-in Tariffs in Decline: Who Earns When the Subsidy Disappears
Energy

Feed-in Tariffs in Decline: Who Earns When the Subsidy Disappears

September 2, 2026
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Card cleaning: where card care ends and doctoring begins
Commerce

Card Cleaning: Where Card Care Ends and Doctoring Begins

September 2, 2026
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Ten Years of Gründerfreunde: What Grew Out of a Blog About Real Life
Founder Life

Ten Years of Gründerfreunde: What Grew Out of a Blog About Real Life

September 1, 2026
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Dynamic Grid Fees: What Germany's Module 3 Saves on Power Bills
Energy

Dynamic Grid Fees: What Germany's Module 3 Saves on Power Bills

August 31, 2026
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One Year of the EU AI Act: What Compliance Actually Cost on This Site
AI

One Year of the EU AI Act: What Compliance Actually Cost on This Site

August 30, 2026
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What a BESS EPC Contractor Actually Does
Energy

What a BESS EPC Contractor Actually Does

August 29, 2026
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The MCP Standard: How AI Agents Finally Connect to Real Systems
AI

The MCP Standard: How AI Agents Finally Connect to Real Systems

August 28, 2026
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Securing Land for Battery Storage: What a Lease Really Costs
Energy

Securing Land for Battery Storage: What a Lease Really Costs

August 27, 2026
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E-Commerce Germany: Where Retail Is Growing and Where Live Commerce Fits
Commerce

E-Commerce Germany: Where Retail Is Growing and Where Live Commerce Fits

August 26, 2026
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How to spot fake Pokémon cards: light test, print quality and slab checks
Commerce

How to Spot Fake Pokémon Cards: The Light Test, Print Quality and the Real Numbers Behind the Counterfeit Market

August 26, 2026
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My AI Stack as a Founder in 2026: What Agents Take Over, and What They Don't
Founder Life

My AI Stack as a Founder in 2026: What Agents Take Over, and What They Don't

August 25, 2026
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Crypto ETFs With Staking Yield: What Actually Works in 2026, and What Doesn't
Finance

Crypto ETFs With Staking Yield: What Actually Works in 2026, and What Doesn't

August 24, 2026
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TikTok Shop 2026 for Small Retailers: Is It Worth Getting In?
Commerce

TikTok Shop 2026 for Small Retailers: Is It Worth Getting In?

August 23, 2026
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Card Grading 2026: PSA, CGC or Local Graders, What Pays Off
Commerce

Card Grading 2026: PSA, CGC or Local Graders, What Pays Off

August 22, 2026
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Are Trading Cards an Asset Class? What's Real and What Isn't
Commerce

Are Trading Cards an Asset Class? What's Real and What Isn't

August 21, 2026
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Why Live Shopping Is So Addictive: The Psychology Behind the Buy
Commerce

Why Live Shopping Is So Addictive: The Psychology Behind the Buy

August 20, 2026
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Trust as a Business Model: What Collector Communities Teach Us About Commerce
Commerce

Trust as a Business Model: What Collector Communities Teach Us About Commerce

August 19, 2026
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What a slab is: how a card becomes a rated object
Commerce

What a Slab Is: How a Card Becomes a Rated Object

August 19, 2026
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Live Commerce in Germany: Why the Market Tips in 2026
Commerce

Live Commerce in Germany: Why the Market Tips in 2026

August 18, 2026
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The Live Commerce Market in Numbers: Why We're Building Slabhit Now
Commerce

The Live Commerce Market in Numbers: Why We're Building Slabhit Now

August 17, 2026
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251 Billion and Still Pulling Out: Why a Holding Sees Postponed IPOs Differently
Finance

251 Billion and Still Pulling Out: Why a Holding Sees Postponed IPOs Differently

August 16, 2026
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The Revenue Stack of a Grid Battery: Where the Money Actually Comes From
Energy

The Revenue Stack of a Grid Battery: Where the Money Actually Comes From

August 15, 2026
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141,006 Test Runs, Three Escapes: What I Changed in My Own Agents
AI

141,006 Test Runs, Three Escapes: What I Changed in My Own Agents

August 14, 2026
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Petition 201716: what a Bundestag petition achieves
Finance

Petition 201716: What a Bundestag Petition Achieves

August 13, 2026
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Crypto holding period: what the German bill actually says
Finance

Crypto Holding Period: What the German Bill Actually Says

August 12, 2026
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Live shopping for trading cards: Whatnot, eBay Live, TikTok Shop and Voggt compared
Commerce

Live Shopping for Trading Cards: Whatnot, eBay Live, TikTok Shop and Voggt Compared

August 12, 2026
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911 Million Shares in a Single Day: What the SpaceX Unlock Reveals About Private Valuations
Finance

911 Million Shares in a Single Day: What the SpaceX Unlock Reveals About Private Valuations

August 11, 2026
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400 Gigawatts Want In: What Is Really Sitting in Germany's Battery Storage Queue
Energy

400 Gigawatts Want In: What Is Really Sitting in Germany's Battery Storage Queue

August 10, 2026
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Whatnot fees and valuation: what selling trading cards really costs
Commerce

Whatnot Fees and Valuation: What Selling Trading Cards Really Costs

August 10, 2026
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Why 40% of AI Agent Projects Fail, and How to Be in the 60%
AI

Why 40% of AI Agent Projects Fail, and How to Be in the 60%

August 9, 2026
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What an announced deadline does to a market: solar, heat pumps, air conditioning
Energy

What an Announced Deadline Does to a Market: Solar, Heat Pumps, Air Conditioning

August 9, 2026
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GEO Not SEO: How to Get Cited in ChatGPT, Gemini and Perplexity
AI

GEO Not SEO: How to Get Cited in ChatGPT, Gemini and Perplexity

August 7, 2026
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Germany's Smart Meter Rollout 2026: Why It Stalls and How to Get One Anyway
Energy

Germany's Smart Meter Rollout 2026: Why It Stalls and How to Get One Anyway

August 5, 2026
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MiSpeL Explained: Germany's New Rules for Battery Storage
Energy

MiSpeL Explained: Germany's New Rules for Battery Storage (BESS) and Charging Points

August 5, 2026
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Split air conditioning: costs, benefits and the refrigerant question
Energy

Split Air Conditioning in Germany: What It Costs, What It Delivers and What to Watch in 2026

August 5, 2026
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Dynamic Electricity Tariffs 2026: Who Really Benefits and Who Does Not
Energy

Dynamic Electricity Tariffs 2026: Who Really Benefits and Who Does Not

August 4, 2026
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Energy Trading Meets AI: Where Agents Already Help on the Power Market
AI

Energy Trading Meets AI: Where Agents Already Help on the Power Market

August 3, 2026
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BESS Explained: Why Battery Storage Is Becoming the Backbone of the Energy Transition
Energy

BESS Explained: Why Battery Storage Is Becoming the Backbone of the Energy Transition

August 2, 2026
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When Agents Pay: Why AI Agents Need Their Own Payment Rails
AI

When Agents Pay: Why AI Agents Need Their Own Payment Rails

August 1, 2026
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DAC8: Why the Tax Office Will Know More About Your Crypto From 2026
Finance

DAC8: Why the Tax Office Will Know More About Your Crypto From 2026

July 31, 2026
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Will the One-Year Holding Period Fall? What the 2026 Crypto Tax Debate Means
Finance

Will the One-Year Holding Period Fall? What the 2026 Crypto Tax Debate Means

July 30, 2026
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Crypto 2026: What Really Remains After the Euphoria
Finance

Crypto 2026: What Really Remains After the Euphoria

July 29, 2026
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Stablecoins and the Quiet Rebuild of Payments
Finance

Stablecoins and the Quiet Rebuild of Payments

July 28, 2026
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The EU AI Act from August 2026: What Founders and SMEs Must Do Now
AI

The EU AI Act from August 2026: What Founders and SMEs Must Do Now

July 27, 2026
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From Hamburg to Berlin: Why Handshake Mentality Wins in Tech
Founder Life

From Hamburg to Berlin: Why Handshake Mentality Wins in Tech

July 26, 2026
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From a Budget PC to Autonomous Agents: 20 Years at the Keyboard
Founder Life

From a Budget PC to Autonomous Agents: 20 Years at the Keyboard

July 26, 2026
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What Is an AI Agent, Really? And What Just Sounds Like One
AI

What Is an AI Agent, Really? And What Just Sounds Like One

July 25, 2026
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The Autonomous Organization: When People Decide and Agents Execute
AI

The Autonomous Organization: When People Decide and Agents Execute

July 25, 2026
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Slabhit live show with graded Pokémon card, sneakers and collectibles
Commerce

Slabhit: Why We're Rebuilding Live Shopping for Trading Cards and Looking for Beta Testers

July 22, 2026
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Rebuilding My Website with AI Agents
AI

Rebuilding My Website with AI Agents: Why the New Site Was Born AI-first

July 21, 2026
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Moltbot Explained
AI

Moltbot Explained: Why an AI Agent Shows How Entrepreneurs Will Lead in 2026

January 29, 2026
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2020 Review
Founder Life

2020 Review

December 17, 2020
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No Time for Updates -Just Sprints
Founder Life

No Time for Updates -Just Sprints

August 20, 2020
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100 Day Sprint for ePilot Mobility
Energy

100 Day Sprint for ePilot Mobility

June 24, 2020
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Business Resume in Times of Covid-19
Founder Life

Business Resume in Times of Covid-19

May 20, 2020
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Remaining Positive
Founder Life

Remaining Positive

March 31, 2020
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New Milestones and Countries for ePilot
Energy

New Milestones and Countries for ePilot

February 27, 2020
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What can you do in 3 days?
Founder Life

What can you do in 3 days?

January 29, 2020
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Welcome to the Age of Voice
AI

Welcome to the Age of Voice

December 19, 2019
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Crypto Update
Finance

Crypto Update

November 28, 2019
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The Big 3 for the Next 3 Weeks
Founder Life

The Big 3 for the Next 3 Weeks

November 6, 2019
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Everything Can Be Optimized
Founder Life

Everything Can Be Optimized

September 23, 2019
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eMobility as a Service with ePilot
Energy

eMobility as a Service with ePilot

August 8, 2019
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Startups, Corporates and Innovation
Founder Life

Startups, Corporates and Innovation

June 12, 2019
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Medical Cannabis or Cosmetic? Taking risks or ROI Rewards
Commerce

Medical Cannabis or Cosmetic? Taking risks or ROI Rewards

May 22, 2019
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12 Month Founder Update
Founder Life

12 Month Founder Update

April 18, 2019
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