CSS Profile...necessary?

<p>Does everyone need to fill it out?
If so, I'm $23 poorer :( lol</p>

<p>if you are applying for financial aid...yes!</p>

<p>are there priority deadlines for these, b/c i hope i finished b4hand. i know CCS, since i finished in october, but what about FAFSA? (i completed on 1/25)</p>