https://collider.com/ghosts-season-5-trevor-money-half-a-million-explained-asher-grodman/

"[He] has no power in death, but now has a small fortune."

Ghosts Star Asher Grodman Talks Trevor's Surprising New Arc In Season 5 (https://screenrant.com/ghosts-asher-grodman-season-5-trevor-new-arc/)

Ghosts' actor Asher Grodman discusses his character Trevor's surprising character arc in season 5.