Based on the research, the minimum meaningful investment is certified enclosed acoustic space for individual focused work — one pod per 10–15 employees is the baseline. This directly addresses the primary reason hybrid employees prefer home for their most important tasks (acoustic quality), and when combined with a well-designed open collaborative floor, creates the acoustic gradient that makes the office worth choosing for a full day’s range of work types. Additional investments — right-sized meeting pods, circadian lighting, sustainable materials — amplify the return but are secondary to the acoustic gradient foundation.