The document discusses tips for increasing sales performance by understanding customer needs and behavior. It notes that customer needs affect sales and professionals should understand what customers want, including feeling important, sharing what they know, listening to each other, and having options and happiness. Customer behavior is influenced by factors like motivation, awareness, learning, personality and attitude. Successful sellers have qualities like a good attitude, understanding customers, discipline, creativity, focus on success, continuous learning, and communication skills. The barriers that hold salespeople back include procrastination, lack of enthusiasm, and fears of failure, denial, and success. Customer satisfaction can be increased by meeting expectations and needs, which leads to higher sales, income, repeat customers, word-of-