Logically speaking, when actors are first selected by Hell's Movie, it is precisely the time when they are most in need of money.
On one hand, they need to keep fit and improve their physical endurance.
This naturally involves the consumption of both money and time.
On the other hand, because their physical abilities are generally lacking, in most cases, they cannot overcome dangerous situations through their own strength. Therefore, they need the Special Props that can be exchanged with film remuneration to save the day.
In both the Real World and the Movie World, film remuneration is needed to survive, and naturally, it is the time when they are most short of money.
Indeed, the Real World may select actors who come from wealthier backgrounds, but these are, after all, the minority.
Analogous to time-traveling back to become nobles.
As for why this is the case, Qian Cangyi has his speculations.
New Actors are plentiful.