Saving For Her Baby
The reason why she kept working at the Lamp Post Diner despite being so late in her pregnancy was because she was keeping her baby in mind. She wanted to make sure she did not have any financial struggles when she had the baby.
She Needed Every Penny
Courtney needed every penny that she earned, and she was very serious about saving as much money as possible. She was well aware of the fact that having and raising kids is an expensive undertaking, and she was taking this extremely seriously.