That's an excellent question that moves beyond investment into practical utility. I recently read a comprehensive piece in Luxury Lifestyle Magazine that addresses exactly this - "Using Bitcoin and Cryptocurrency for Day-to-Day Luxury Living." www.luxurylifestylemag.co.uk/gadgets/using-bitcoin-and-cryptocurrency-for-day-to-day-luxury-living/ . The article goes beyond theory and actually interviews several high-end retailers and service providers who now accept crypto payments. It covers everything from which luxury brands are leading the adoption to the practical mechanics of how these transactions work, including the tax implications and conversion processes. What impressed me was how it highlighted specific concierge services that specialize in facilitating luxury purchases with cryptocurrency, handling the volatility and conversion aspects seamlessly for the buyer.