Have you applied to several schools?
just one
where can I go for help with my aid offer?
You can contact the financial aid office at the school. It is important that you understand what you're being offered.
How can I figure out costs?
You can find the cost of attendance for your program on the aid offer
what if I will need more help by taking out a loan to help pay for costs?
If you need to do that you should pay special attention to the terms and conditions of the private loans so you understand what your obligations would be
can my aid offer change later on?