It might seem like a bitter pill to swallow at first, but once you think about it you will realize it’s a chance to improve. Listening to customers helps narrow down any glaring issues in your sales, marketing, strategy, supply chain, pricing points, and operations. According to Harvard Business Review, a 10% rise in your Net Promoter Score can result in a 6%-7% jump in revenue. Bottom line is, be glad you have unhappy customers. Here's how to handle negative sentiments or feedback.