Application downtime can have significant impacts on businesses, including revenue loss and reputational damage. The cost of application downtime is multifaceted, extending beyond financial metrics to include indirect costs such as customer discontent and the erosion of a company's market reputation. Application performance monitoring (APM) can help minimize application downtime by identifying bottlenecks in real-time, providing early detection of performance issues, improved root cause analysis, enhanced visibility into application performance, and strategies to prevent application downtime with APM. By integrating APM tools, such as synthetic monitoring, log analysis, trend analysis, anomaly detection, automated remediation, self-healing mechanisms, and auto-scaling, businesses can transform the daunting task of estimating downtime costs into a strategic journey to ensure a more resilient digital presence.