The authorized Nikon dealer BuyDig is currently selling refurbished Nikon D500 cameras for $1,496.95 with coupon code DXPRO2X50 (limited quantity available, limit 1 camera per order, free shipping, 45-day return policy, 90 days Nikon USA warranty).
New Nikon D500 body only now costs $1,796.95 and comes with a free grip. The Nikon MB-D17 grip alone costs $371.49.
Be aware of the many fake listings on Amazon offering refurbished Nikon D500 cameras for $298.