The Xbox One is reaching the end of its lifecycle so I think we're going to see more frequent sales. There may be other retailers offering this, but for sure the Microsoft Store and Target are selling the Xbox One X for $349.99 and including a free second controller. This offer seemingly only applies to consoles that include a game. Forza Horizon 4 Lego Speed appears to be a MS Store exclusive while Target has limited supplies of The Division 2. Jedi Fallen Order, NBA 2K20, and Gears 5 are more widely available. Best Buy and Gamestop are also selling the console for the same price but are not offering the free controller as of the time of this post. If you want to play the original Red Dead Redemption, this is probably the best way to do it because the game was enhanced for the Xbox One X.