| Feature | Swapp | Chrono24 | eBay (Authenticity Guarantee) | The RealReal | |--------|-------|----------|-------------------------------|---------------| | Authentication | ✅ Centralized | ❌ Optional (Escrow) | ✅ For $2k+ watches | ✅ In-house | | Seller Fees | 8–12% | 6.5% (private) | 0% for private (promo) | 20–40% | | Buyer Protection | Escrow + return | Escrow | Money-back guarantee | Limited return | | Inventory Size | ~1,500 | 500k+ | Millions (mostly non-luxury) | ~10k watches | | Avg. Shipping Time | 7–14 days | 3–10 days | 5–9 days | 5–10 days |