This document provides an overview of cost management for projects. It discusses key aspects of cost management including planning, estimating, determining budgets, and controlling costs. Estimating techniques like rough order of magnitude, budgetary, and definitive estimates are covered. The importance of cost management in project success and some case studies on both successful and unsuccessful cost management are summarized. Popular project management software options and considerations for software selection are also reviewed. Finally, the document discusses strategies for becoming an expert in cost management like relevant certifications.