Perry Marshall’s 80/20 Sales and Marketing reframes business growth through the lens of the Pareto Principle, showing how to maximize results by focusing on the most profitable efforts.

In this provocative guide, Marshall applies the 80/20 rule—where 80% of results come from 20% of actions—to sales, marketing, and entrepreneurial strategy. He argues that most businesses waste time chasing low-value leads and tasks, and instead should identify and double down on the small fraction of customers, products, and activities that generate the most revenue. The book offers practical tools like the “Power Curve,” “RFM” (Recency, Frequency, Monetary) analysis, and tactical copywriting insights to help readers attract high-value clients and scale efficiently. With sharp examples and actionable advice, 80/20 Sales and Marketing is a blueprint for working smarter, not harder.