This article dives deep into the intricacies of Customer Acquisition, a critical aspect of any marketing strategy. It defines key performance indicators - Customer Acquisition Rate (CAR) and Cost of Customer Acquisition (COCA or CAC), and elucidates their relevance and calculation methods. The importance of measuring these metrics is brought to life using practical examples and industry insights. The piece further delves into the arsenal of tools available for customer acquisition, and how these can be effectively harnessed to drive growth. From there, we outline how to turn acquisition strategies into action, evaluate their performance, and make necessary improvements. Through the lens of a real-world 'Green Clean' use case, we demonstrate the practical application of these principles. An essential read for entrepreneurs and marketers aspiring to master the art of customer acquisition.