Why not walk around AA and see how it feels. Take mom to lunch on the weekend. I assume you have been there living in Flint.
Make an appointment with a transfer admission counselor. They have transfer Tuesdays for a reason. https://enrollmentconnect.umich.edu/portal/transfer_tuesdays
You want to make sure all your credits transfer to AA. Just because your at one of their branches doesn’t mean all your credits will transfer. Check that out. https://lsa.umich.edu/lsa/prospective-students/transfer/transfer-credits.html
If it’s feasible financially then transfer. Because you were accepted but chose one of their branches not sure if that helps you but you would think it didn’t hurt.
Have a serous talk with mom. I give her a lot of credit. She needs to save for retirement. Having 4 kids and paying bills etc and saving for college is tough. What seems like a lot of money for retirement most likely is not.
If you got funds to live on campus then do that. It’s hard to say it feels like a commuter school but you yourself go home. If you were on campus you might connect to others that are on campus also.