Every business wants extended engagement or to sell their clients additional products and services. There are many fancy strategies to increase the initial sale like cross-selling, upselling, and subscription services; you get the point.    However, if you really want to keep a client, you don’t need to sell them extra bells and whistles. Instead, what you need to do is solve their problems.    In this article, we will discuss 5 strategies (opportunities) to discover additional problems and bring additional value to your people without making your people feel uncomfortable.   Problem Identifying techniques   Listen for the keywords.