Here are a few things to think about:
1. The FAFSA applications that are currently being filled out (process now starts in Oct) are for the 2019-2020 school year and are based on the 2017 tax year info.
2. For the schools that utilize FAFSA data, you could have Millions in assets but it is really income numbers that drive the consideration of assets in EFC calculations. If you can figure a way to keep your total AGI in retirement to less than $50K (you can always draw down from cash savings), your assets will not be factored in the EFC calculations. You must be eligible to file a 1040A (I don't know if the tax changes starting this year impact the form required..). I believe if your AGI is less than $24K, you will have a zero EFC.
3. Children's assets are counted much more heavily than parents' assets. Spend down child's money before filing or have it significantly counted against the child.
4. Similarly, the student income level, after somewhere around $6,600, will reduce aid by 50 cents for every dollar earned.
5. There are lots of additional ways to save money:
- community college first 2 years
- scholarships
- use funds from 529, coverdell, savings bonds
- when filing taxes, calculate optimal credit/deduction between American opportunity credit (usually the best), Lifetime learning credit, Tuition & fees deduction adjustment (if it gets approved again), business related education expenses if child is working for the business,... (NOTE: don't double dip)
6. Disregard above if school requires CSS profile.
I don't believe the FAFSA income numbers are ever indexed, so the numbers above are close. Even worse, the asset protection number (amount of assets not counted in EFC based on age of older parent) has gone down dramatically over these last few years).
I retired just before my first child entered college. I had another one finish in May & have one more to go (currently sophomore in HS). So far, so good.