Fujifilm USA made the start, by offering a nice $650 bonus discount on the Fujifilm GFX 50s, if you trade in your camera. BHphoto and Adorama have a dedicated Fujifilm GFX Trade in site here. Check it out for all the details.
Now Europe is following, and is offering the trade in deal not only for the Fujifilm GFX 50s, but also for the Fujifilm X-Pro2 and X-T2. Go the the Fujifilm EU promotion page and select your country for all details.
Fujifilm GFX 50s: USA BHphoto, Adorama, AmazonUS EU: AmazonDE, CalumetDE AmazonUK, WexUK, ParkCamerasUK, PCHstore AUS: CameraPro
Fujifilm X-T2: USA: BHphoto, AmazonUS, Adorama, Focuscamera, BestBuy CANADA: AmazonCA EUROPE: AmazonDE, Calumentphoto DE, AmazonUK, AmazonITA, AmazonFR, AmazonESP, PCHstore, WexUK AUSTRALIA: CameraPro
Fujifilm X-Pro2: USA: BHphoto, AmazonUS, FocusCamera, Adorama, BestBuy CANADA: AmazonCA, EUROPE: AmazonDE, AmazonUK, WexUK, PCHstore, AmazonITA, AmazonFR, AmazonESP AUSTRALIA: CameraPro