---
type: guide
title: "The Power of Prototypes and How to Test an Idea Before You Spend on It"
description: "A prototype answers one question before you spend money on the answer. How to pick fidelity, what to build first, and how to test it so the result means something."
resource: https://www.4over4.com/guide/the-power-of-prototypes-ebook-guide
tags: ["guide"]
generated:
  by: "process:4over4-mapp-build"
  at: 2026-09-08T01:19:44.025Z
timestamp: 2026-09-08T01:19:44.025Z
sources:
  - resource: https://www.4over4.com/guide/the-power-of-prototypes-ebook-guide
    title: "The Power of Prototypes and How to Test an Idea Before You Spend on It"
status: stable
---

# The Power of Prototypes and How to Test an Idea Before You Spend on It

A prototype answers one question before you spend money on the answer. How to pick fidelity, what to build first, and how to test it so the result means something.

See [all guide concepts](index.md).

- Page type: guide
- URL: https://www.4over4.com/guide/the-power-of-prototypes-ebook-guide