Nate Castillo

About

Blog

Let's Build

Nate Castillo

About

Blog

Let's Build

Blog Posts

Thinking through AI

Notes on building AI and Revenue engines

Blog

Apr 9, 2025

Why your real bottleneck is not the product

You shipped. The product works. Users say it's good. Maybe you even closed a few design partners on the strength of the demo alone.

So why does it feel like you're pushing a boulder uphill every single month?

Because the product was never the hard part. The revenue engine is.

widget pic

Blog

Apr 9, 2025

Why your real bottleneck is not the product

You shipped. The product works. Users say it's good. Maybe you even closed a few design partners on the strength of the demo alone.

So why does it feel like you're pushing a boulder uphill every single month?

Because the product was never the hard part. The revenue engine is.

widget pic