re: Any reason why Tremont Waters would not come back next season?

There shouldn’t be. He’ll get the chance to be a superstar next year surrounded by a lot of talent on a good team, and (this is a long shot) he’s only 18 and he may grow another inch or two and improve his draft stock even more. He doesn’t really have anything to gain by leaving this season. The amount of money he could potentially make by staying far outweighs the modest amount he’d get this season, even if his financial situation was hypothetically bad and he wanted to go pro right now for the $$.