It doesn’t matter how much your parents are willing to pay, it matters how much they are able to pay. Many colleges will cost upwards of $30,000 a year (or more), even if they are providing financial or merit aid.
From the QB website, describing finalists:
If your family is making less than $65,000 a year, your parents cannot afford half of those colleges. It does not matter how much they are willing to pay, it is simply impossible. They would not even be able to take out loans for those amounts.
You need to go back over every one of the colleges on your list, and look for one of two things:
A. Financial aid for CA students in amounts that make it affordable for your parents. Terms like “full need met” are important.
B. Merit scholarships which cover all or most of the full cost of attendance.
If your parents are able to cover tuition plus living costs for places like UIUC, you are not going to be eligible for Questbridge.
@thumper1 gives the list of colleges for which neither A nor B is true.