In economically challenging times, the pressure to make digital systems more efficient continues to grow. At the same time, complexity and the pace of change are increasing - making technical missteps more costly than ever. Yet optimization efforts often focus primarily on the early phases of a project, while lifecycle costs, adaptability, and long-term sustainability are not always given the attention they deserve. At the same time, significant potential can emerge - or quietly be lost - during ongoing operations. The key insight is this: those who prioritize maintainability, resource efficiency, and continuous improvement from the start not only reduce costs, but also build systems that remain affordable, reliable, and effective in the future. With this session, we aim to provide practical food for thought, share real-world experiences, and spark a broader discussion about building IT systems that are both economically and sustainably sound.

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