This document provides an introduction to determining value in commercial real estate. It discusses that commercial value is based on the net operating income (NOI) of the property, which is income minus expenses. It also notes that commercial property value depends on both the physical building and the income stream from its business use. The document defines key terms like capitalization rate and cash on cash return. It emphasizes the importance of understanding the context and risks surrounding a property's income stream to fully assess its value.