How can someone navigate the complex emotions of grief, anger, and forgiveness when dealing with family trauma?

I’m 20 and I feel as if I failed already. I took two gap years, parents hate me, no friends, no college or job, and I just stay in my room 16 hours a day with my thoughts. What do I do?
How have your family's relationships changed after a greedy act during a difficult time, like after a death or during a financial hardship?