Game stop will give you $75 additional dollars when you trade your Xbox One, PlayStation 4, or Nintendo Switch. This offer expires on 10/24/17
You can price your trade-ins here - https://www.gamestop.com/trade
Non-Pro members - you should get the same value that the pro members get for your trade-in
Fine Print: "Not valid toward cash trades. Trades must be in full working condition to receive full value. Credit must be used towards the purchase of a new PS4 Pro. Defective items may be eligible for trade at a lesser value. Trades subject to manager approval. Cannot be combined with any other offer. See store associate for details. No dealers. Offer valid in the United States and Guam only. Void where prohibited. GameStop, Inc. reserves the right to cancel, terminate, modify or suspend the offer for any reason without notice. Offer valid through 10/24/17."
This is my first post, so if I miss something I apologize.