Learn to approach instrumentation overhead with a balanced perspective in this conference talk that addresses common concerns about observability performance impact. Discover why novice practitioners often develop unnecessary skepticism about instrumentation due to worries about latency degradation and resource consumption. Explore the fundamental causes of overhead in observability systems and understand why measuring overhead accurately presents significant challenges while predicting it reliably proves even more difficult. Gain practical techniques for assessing overhead within your specific environment and develop effective strategies for managing and mitigating performance concerns when implementing observability solutions.