Will It Fly is a guide to testing out our business ideas, making sure our new venture matches who we are, and not wasting time or money on something people won't want.

Pat Flynn is a renowned author and business expert. After being let go from his job at an architecture firm during the financial crisis in 2008, he discovered that a website he'd created was actually receiving a lot of visitors.

The website was Smart Passive Income, and shared his study materials for the LEED architecture. Soon, it was selling products on it too.

Over time, Flynn has launched online business after online business, eventually leading to him becoming a high authority on the topic in general.

In 2016, Flynn published his first book, Will It Fly?, which explains a crucial part of the framework that makes his businesses successful: validating ideas.