Product Market Fit | Guillermo Flor | Substack

Subscribe for free for weekly insights to grow and fund your startup!

Recent posts

The Sequoia Agent Economy Playbook

A Founder’s Guide to Building AI Startups: Lessons from Sequoia Capital, OpenAI, Nvidia, LangChain, and Ramp

Oct 24 •

from $5M fund at 24 to $25 billion under management: how Josh Kushner built Thrive

Inside Thrive Capital: How Joshua Kushner turned a $10M fund into one of the world’s most influential venture firms

Oct 23 •

the 10 step virality playbook by Cluely

The exact playbook Cluely used to become the world’s most viral startup + Roy Lee's guide to making launch videos that blow up

Oct 22 •

Momentum is the only MOAT by a16z Bryan Kim

Early-stage startups don’t need moats. They need momentum that compounds.

Oct 19 •

How I’d Grow a Startup in a Market Full of Competitors (Step by Step)

How to get customers even in the most crowded markets

Oct 18 •

The 2-pager Ex-Klarna founder used to raise $3.5M from the investors behind Lovable, n8n, and Miro 🔥

How a two-page story outperformed twenty slides

Oct 16 •

Forget Warm Intros — These 160 Investors Fund Strangers on the Internet

160+ active investors who have funded startups from cold outreach — no warm intros, no connections required.

Oct 15 •

Mark Cuban: "Don't raise money". 30 things founders miss about VC (and the only times you should)

Why Mark Cuban Told Me to Never Raise Money — And What Founders Miss About Venture Capital

Oct 14 •

#nojs-banner { position: fixed; bottom: 0; left: 0; padding: 16px 16px 16px 32px; width: 100%; box-sizing: border-box; background: red; color: white; font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; font-size: 13px; line-height: 13px; } #nojs-banner a { color: inherit; text-decoration: underline; } This site requires JavaScript to run correctly. Please turn on JavaScript or unblock scripts