Condition matters for immediate satisfaction, but return policy shapes overall risk and trust. A slightly used item with a flexible return window can outperform a near-perfect item that is hard to return. Tracking user behavior, like which listings get clicks and which get returned, helps reveal this preference. Monitoring complaint patterns and repeat purchases shows whether customers value safety nets over aesthetics. Heatmap-style logs of browsing decisions act like signals of hesitation, showing where policy clarity drives conversions.