Complex sentence: Soon enough, Buster discovers Ms. Crawley's error when Eddie shows him the flyer, but instead of telling the contestants of the mistake and of the true prize of $1,000, he tries to get enough money for the promised reward.
Split into simpler sentences: Soon enough, Buster discovers Ms. Crawley's error when Eddie shows him the flyer. Instead of telling the contestants of the mistake and of the true prize of $1,000, he tries to get enough money for the promised reward.