I have a little fear...do you living in Los Angeles?

I am a beijing girl, 25 years old. graduated from a badly junior college, my english is very bad.
but I do not wanna being ordinary continually. i wanna be brave.
I have been apply for UCLA EXTENSION, this is a kind of continuing education in continuing college of UCLA. i will study about 12 months in Los Angeles.
but the most important thing for me, is my english and money.
my family is pool, but my dad still gave me a lot of money for my study in America, and i have been working about 3 years, i have some deposit too. but, i am afraid it's not enough. i will study 6 months ESL program and 6 months certificate program, and the same time, i also need living expenses, tuition fee....etc. my TOEFL scores is 47, i need 83 scores then i can admission to take the certificate program.
i don't want to starve to death because no money or can't living by myself.
maybe i am worrying too much? like the man of QI worrying the sky might fall.
but i know there is have another solution, study english well. then i could cut down my ESL program and save money for my living or my certificate program.
do you have any friends that living in Los Angeles? can you introduce something about this city? i am so affaid of my future life because this travel will be my first time leave my parents.

Please remember that when you are writing about yourself it should be 'I' and not 'i'.