Sure, but if you sell your house you still have to find another place to live in an area with high housing costs. Not the best plan. If parent’s could cash out and relocate to cheaper area for retirement or another job it’s more feasible but nothing indicates that’s the case.
Ok - so no non-retirement savings.
It’s worth about half once he pays taxes and early withdrawal penalties. So 4 years x $65k/ year could cost over half a million dollars.
Will anything be left for your sibling?
How would you feel if you were the younger sibling and your parents drained their savings paying for your older sibling’s education?
Would you find it selfish?