<human>: Hi, i'm a university student studying architecture right now and thanks to myself i've spilt choco milk on my macbook pro. After bringing it to the apple store they are charging me ~$500 for the replacement + repair. I cannot afford this but can borrow money from parents if i really had to. I've been looking into buying my own part online and replacing it myself but it is still quite expensive. I'm wondering if anyone has experience with this or any suggestions.. thanks!! 

(They actually said i should get the logic board and top case replaced for $720 but i'm hoping the top case isnt necessary as my keyboard was working fine)

Can you condense the text into a few key points?
<bot>: looking for a cheaper solution for replacing macbook pro logic board than apple's $500 repair cost.. is that possible??