UTRGV VS. UT Austin

I’m struggling to decide which university to attend. I’ve asked this question on the UT Austin subreddit, and 90% of commenters said UT Austin was definitely a better option for me, but I want to see what y’all think.

-If I go to UTRGV the Texas Advance Commitment would mean that my education is free. I could just live with my parents and not pay housing. In UT Austin I would have to pay for housing, and gain some debt.

-My plan is to get a mechanical engineering degree, but I’m not 100% sure if that’s what I wanna do. Changing majors in UT Austin could be bad because of the money situation.

-I also have some dual enrollment credits from UTRGV that I could probably transfer to UT Austin, lessening some time and money spent..

-Is there success to be found as a mechanical engineering UTRGV graduate?