Resale luxury is rapidly growing, with platforms like The RealReal and Fashionphile surpassing traditional brands in sales. The booming secondhand market, valued at 56 billion dollars, is transforming how young consumers, especially Gen Z and millennials, shop for high-end items. This shift challenges luxury brands to adapt to new consumer behaviors and market dynamics, as more buyers opt for pre-owned luxury goods, fueling a new era in the fashion industry.