Aspirants can effectively manage resources during their preparation for UPSC by prioritizing quality over quantity. Creating a curated list of reliable study materials and focusing on key resources helps in avoiding information overload. Setting a budget for essential reference books, online courses, and coaching can aid in maintaining financial control. Furthermore, leveraging free resources, like online lectures and government publications, can supplement learning without significant costs. Regularly assessing the utility of resources and making necessary adjustments ensures that aspirants remain on track and maximize their preparation efficiency.