These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Big Lipped Alligator Moment: The movie has an early scene where Stanley sees the ghosts of Sam and Mary Lou while his bus passes through the desert. Stanley never even learns who they are and this event is never mentioned again.
Complete Monster: Trout Walker in the book and its film adaptation. At first he's a slightly boorish rich jerk with a crush on Katherine Barlow. But he really gets horrible after Kate turns him down and he finds out she kissed Sam (a black man). He rallies the whole town, and first burns the whole school building, then he kills Sam in cold bloodand his donkey, Mary Lou, just because. Later, after twenty years, when he loses his fortune because the lake dried up, and Kate returns to town, he viciously interrogates her as to the whereabouts of the treasure and riches she amassed as an outlaw, painfully and gleefully torturing her. Kate gets the last laugh when she's bitten by a yellow-spotted lizard however, and simply tells him to start digging. And for the rest of his life he did just that. He even forced his granddaughter, who would become the Warden, to dig with him, and was very abusive, forcing her to work even if it is on a holiday. It makes the Warden, also horrific in her own right, someone to be pitied and felt sorry for.
Jerkass Woobie: The Warden, if only because of her harsh childhood under her aforementioned Complete Monster grandfather's thumb making her a cynical and bitter woman.
Magnificent Bastard: The Warden. Intimidating, unsettlingly nice, wears rattlesnake venom as nail polish and uses it to punish her employees, and opened Camp Green Lake to find Kissing Kate Barlow's buried treasure.
Unintentionally Sympathetic: The Warden in some ways, despite being the Big Bad in the story and actually allowing Stanley and Zero to (hopefully) be killed in a pit full of poisionous lizards, her life was constantly nothing but a wild goose chase thanks to her greed-obsessed grandfather. In the film adaptation you can see the loss and anguish on her face when she's denied of the treasure her family has been looking for a hundred years.