eBay has the Samsung Galaxy Note 8 64GB Unlocked 6.3" Smartphone for $790 with free shipping. Features 6.3" Super AMOLED (2960x1440), Dual 12MP cameras, 2160p at 30 fps, Exynos 8895 Octa-Core, 6GB RAM, 802.11ac, Bluetooth 5.0, USB Type-C, Iris scanner.
eBay has the Motorola Nexus 6 XT1103 32GB Unlocked Smartphone (midnight blue or cloud white) for $190 with free shipping. Features snapdragon 805 quad-core 2.7GHz CPU, 3GB RAM, 32GB storage, 1440x2560, 5.96" AMOLED, 13MP camera, and Android 5.0 Lollipop.
Has good Amazon Reviews, where it sells for $223 with free shipping.
eBay has the Samsung Galaxy S6 32GB No-Contract 5.1" Smartphone (Black or White) refurbished for $135 with free shipping. Features Exynos 7420 8-Core (2.1GHz+1.5GHz), 3GB RAM, 32GB storage, 5.1" AMOLED (2560x1440), 16MP cam, 802.11ac, Android 5.0.2.
eBay has the LG V20 VS995 64GB Verizon GSM Unlocked Android Smartphone (Titan) refurbished for $235 with free shipping. Features Qualcomm Snapdragon 820 Quad 2.15GHz , 4GB RAM, 64GB storage, 5.7" IPS (2560x1440), 16MP camera, 802.11ac, Android 7.0 Nougat.
eBay has the Unlocked Apple iPhone 5 32GB Smartphone for GSM carriers refurbished for $98 with free shipping. Features Siri voice assistant, AirPlay media streaming, 8-megapixel main camera plus HD front camera.