Chaos Engineering is presented as a crucial strategy for e-commerce sites to prepare for the high demands of peak shopping periods like Black Friday, highlighting the complexity and potential failure points within online sales systems. The process of online shopping, although seemingly straightforward, involves intricate backend operations, such as database queries for product availability, payment processing, and shipping logistics, all of which can be disrupted by system failures. Chaos Engineering involves conducting controlled experiments to simulate these disruptions, allowing engineers to identify and remedy weaknesses before they cause real-world issues. This proactive approach not only enhances system reliability but also offers peace of mind during high-traffic events by ensuring that failover mechanisms, redundancy schemes, and monitoring triggers are effective. Gremlin's platform aids this process by providing tools like Infrastructure Gremlins to test specific failure scenarios and ensure robust mitigation strategies are in place.