eBay with quickshipelectronics has the new, open box Apple iMac Intel 8th Gen Core i5 / 4GB GPU / 4K Ultra HD Retina All-In-One Desktop (Early 2019, MRT42LL/A) for $899 with free shipping.

Features a Magic Keyboard & Magic Mouse with the purchase.

Intel i5-8500 Hexa-Core 3.0GHz, 8GB DDR4 RAM, 1TB Fusion Drive

4GB AMD Radeon Pro 560X, 21.5" 4096 x 2304 4K Ultra HD, 2x Thunderbolt 3