Felix Lenhard
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Tag: Sprint

4 articles

validate

The Weekend Validation Sprint

Saturday morning to Sunday night. One idea. Clear verdict.

Feb 11, 2026

frameworks

The 5-Conversation Sprint for Idea Validation

Validate any business idea in one week with five structured conversations. A fast, cheap framework that prevents building the wrong thing.

Jan 14, 2026

frameworks

The 5-Conversation Sprint: Validate in a Week

Five conversations. Five questions. Clear answers about your idea.

Oct 31, 2025

grow

The 30-Day Content Sprint

Your first month of consistent content. What to post, when, and why.

Jan 1, 2025
Felix Lenhard

AI-Native Business Builder. Author. Keynote Speaker.

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