The document provides a guide for entrepreneurs on how to "de-risk" their business ideas before seeking investment. It recommends entrepreneurs identify risks and assumptions in their plans and proposals, and then test hypotheses through experiments or proxies to reduce uncertainty. Various risk types are outlined like team, product, market size, and examples are given for de-risking each type through customer validation, prototyping, and metrics tracking. The overall goal is to spend time de-risking the idea as much as possible before presenting to investors.