Should I ED to Brown University!

Hi everyone! I am currently a Junior and I am thinking about applying ED to Brown University but I have some doubts and want some advice!

some insight on me: I will be pre-law & concentrating in political science and education (their open curriculum would be perfect to study the two and combine them in a way)

Here are my stats:

-GPA: 4.3 weighted as of now (projected to increase w/ junior & senior grades)
-I have not taken the ACT yet but I will in February
-All the APs taken (including senior year): AP European History, APUSH, AP English Language, AP Spanish Language, AP Gov, AP Microeconomics, AP Environmental Science, & other honors classes

ECS:
-Founder of a student organization focused on empowering and educating young women interested in politics
-National Honors Society
-National Project Director for a National Activist Society
-My school’s Model UN logistics officer
-Apart of my town’s philanthropy program where I created my own service project
-Tutor for middle schoolers
-internship with my local congressman
-political researcher for my county’s democratic party

Why I want to ED to Brown:
-I love the location
-I like the campus/school vibe
-I am VERY interested in the open curriculum
-They have a good emphasis on undergrads doing research which I am interested in doing
-I have interviewed a political science professor from Brown & she got me very interested in the classes/program
-I would like to participate in their work-study program
-it’s Brown

Why I have my doubts:
Honestly, the only doubt I have is cost. Brown is very expensive and being pre-law would mean having the burden of my undergrad debt. My mom is a single mother with three children and makes around 200k (I also live in a very high cost of living area), with this income I would have to pay a significant amount of money each year. I fear if I do get in ED it would be a great financial burden to my mom…any thoughts? Thank you!