This book is the synthesis of more than thirty years of experience of the author in the world of commercial sales as well as door-to-door sales as creating, directing, training and motivating sales teams. Based on the result of the analysis of thousands of interviews and the performance of commercial teams from various countries, he provides in a pleasant way a series of tips to keep motivated and effectively reward the vendors, as well as a series of processes to measure the efficiency of trade policies adopted by a company