Learn the strategies and tactics salespeople use and turn them to your advantage with "maximum efficiency." Learn over sixty closing techniques and powerful deal-making moves. Put yourself in a superior position in negotiations. Govern and improve your physical, mental, emotional and moral approach to dealing with salespeople. Master the art of Consumer Judo. Это и многое другое вы найдете в книге Consumer Judo: How To Win Concessions and Influence Salespeople (Volume 1) (Dan Maher PhD)