The inference that is supported by evidence in the passage is:
Homelessness can be an obstacle to success.
This is indicated by Melson's struggles with homelessness and her concerns about her family's future despite her dedication to her goals and her achievements, such as maintaining a 4.0 GPA and participating in sports. The passage highlights her challenges and worries, illustrating that homelessness does pose difficulties, even as she works hard towards her aspirations.