Hi Person,
You say you have some savings. Consider using some of them to locate a therapist.

Also, if you can locate it near your home, get to a family constellation workshop. When you get to have your "turn" you will have many of the hidden entanglements you mention revealed in a new way, with the potential for healing and insight.

Third, make a detailed list of exactly what you will need to leave: (a) first and last month's rent (b) a job paying well enough to cover expenses, and so forth. Part of this list will the family-social concerns. Perhaps you will need a ritual means of pulling away. Your parents are not as hobbled as they may present themselves.

Revu2