For most entrepreneurs and top managers, purchasing is not a focus of their activities. As a result, they overlook significant optimization and savings potential. This stems from the fact that very few company leaders have gone through the purchasing department on their personal career path to top management. However, with the right procurement strategy, a substantial amount of money can be saved. Purchasing is extremely important not only in times when everyone needs to cut costs. Gerd Kerkhoff raises awareness of the vital topic of purchasing with compelling examples. He illustrates how companies can assess the efficiency of their current relationships with suppliers. Often, savings potential in the double-digit percentage range is uncovered. The pragmatic Kerkhoff describes in detail and with a practical approach how these potentials can be utilized in the short term.