Sell high.
He's a short AK47, without half the defensive prowess, way worse shooter, & nowhere near the court vision or passing ability. He does get to the line at a good clip like AK though, but still not as well. AK was better than Hayward will ever be in every facet of the game and only made one All Star game. Hayward never will.
The only thing left to make him the most frustrating player on the Jazz is a very long, very overpriced contract.
I still think he has a fairly high ceiling because he can improve in so many areas. Mainly ball-handling and shooting, both spot-up and off the dribble. Those two things and then finishing around the basket would make him a very good player. Then get him and favors in the pick and roll, and him and kanter in the pick and pop potentially. Why isn't burks rubbing off the guy in the post on the baseline for a handoff opportunity like the jazz used to do? Seems like a perfect role for him
His ceiling:
Take an AK47 but less dominant defensively (particularly blocks and his defensive versatility), combine with Manu, and Harden. Then give him a ball that has a tack jammed in it to make it bounce crookedly. Take away the ability to consistently create off of the dribble, and finally take away the general activity of these players in most aspects of the game. This is who Hayward is.