BuySpry via eBay offers the Unlocked Samsung Galaxy S8 64GB 4G LTE Android Smartphone in Midnight Black or Orchid Grey for $529.99 with free shipping. That's the lowest price we could find today by $70 (excluding other eBay vendors), although we saw it in another color for $51 less last July.

This water-resistant phone features a Qualcomm Snapdragon 835 8-core processor (2.35GHz quad-core and 1.9GHz quad-core processors), 5.8" 2960x1440 Super AMOLED touchscreen, 4GB RAM, 64GB storage, Dual Pixel 12-megapixel rear camera, 8-megapixel front camera, 4K video recording, 802.11ac wireless, Bluetooth 5.0, microSD card slot, USB 3.1 Type-C, fingerprint sensor, iris scanner, and Android 7.0 (Nougat).