Happy Bootstrapping Newsletter

November 2025

13 Years of Clockodo: How Moritz Hofmann Reached Over 500,000 Euro MRR with 35 People

"Happy Bootstrapping" Volume #36

Nov 24 • 

Andreas Lehr

1

10 Years of Silberthal: How Matthias Schnizler Reached 8-Figure Revenue with 15 People

"Happy Bootstrapping" Volume #35

Nov 17 • 

Andreas Lehr

2

7.5 Years of Duschbrocken: How Johannes Built a Profitable Sustainability Brand with Solid Shampoo

"Happy Bootstrapping" Volume #34

Nov 10 • 

Andreas Lehr

From Laser Physics to Seven-Figure Revenue: Nicolai Klemke Builds Neural Frames into an AI Music Video Tool

"Happy Bootstrapping" Volume #33

Nov 3 • 

Andreas Lehr

October 2025

"Sitting is the New Smoking": How Johannes Kettmann Brings His Walking Pad to Kickstarter After €30,000 Investment

"Happy Bootstrapping" Volume #32

Oct 27 • 

Andreas Lehr

1

$30,000 Per Month: Sebastian Röhl's Journey to Successful Indie Hacker with HabitKit

"Happy Bootstrapping" Volume #31

Oct 22 • 

Andreas Lehr

2

Zyke Band: The Whoop Alternative Without Subscription

"Happy Bootstrapping" Volume #30

Oct 13 • 

Andreas Lehr

4

In Your Face App: From 3€ Meeting Reminders to $8,500 MRR in Florence

"Happy Bootstrapping" Volume #29

Oct 6 • 

Andreas Lehr

1

September 2025

MARO: How Two 20-Year-Olds Bootstrap a €5,000 Espresso Machine

Volume #29 of "Happy Bootstrapping" Newsletter

Sep 30 • 

Andreas Lehr

stagetimer.io Doubles to 20k MRR: Lukas' Learnings on AI, Employees, and Sales

Volume #28 of "Happy Bootstrapping" Newsletter

Sep 26 • 

Andreas Lehr

An Advent Calendar Full of Startups: The Adventsome Story

Volume #27 of "Happy Bootstrapping" Newsletter

Sep 23 • 

Andreas Lehr