Because the rules are changing and siblings in college will not help the family the same way it has in the past, you are advised to take additional steps to secure the most aid available. This idea may seem like you are taking a big leap but this is going to be par for the course; especially this award season.
FAFSA rules are changing: https://www.marketwatch.com/story/changes-are-coming-to-college-financial-aid-here-are-8-things-to-know-if-youre-applying-this-year-c976e35d and it would help to have a plan of attack. Tip 1. Be specific with the amount you are requesting 2. Make clear what your decision is based on (Value) which means the cost and the time it takes to pay off education expense. You can use sites like https://collegescorecard.ed.gov/ to help you measure those aspects 3. Have the proper documentation to back up your negotiation (Medical Expenses / Offers From Other Colleges / Unemployment etc.)