Open-Box Fuji GFX-50S for $5799

The Fuji GFX-50S medium format body only goes for $6500 in new condition at authorized dealers, some of which offer a $650 trade-in discount, eg Adorama, IF you are willing to trade-in a top tier DSLR or MF camera.

If you are willing to go the used way, authorized dealer OneCall has it in Open-Box Condition for $5799 with free shipping. They also offer it through Amazon Warehouse Deals.