Used Nikon D500 cameras are currently available in stock for $1,749 at Amazon WarehouseDeals (fulfilled by Amazon). Those are probably returns from customers and are described as “used – very good” condition. From the Amazon listing:
“Small scratches on sides of item (less than 1/4 in. x 1/4 in.). Item has been tested and is fully functional. Item will come in original packaging. Packaging will be damaged.”
Two more deals worth mentioning: