Retirement Isn't Rocket Science
Retirement Isn't Rocket Science
Dr. Chris Mullis, PhD, CFP®
80% Rule for Retirement Income: Myth or Reality?
23 minutes Posted Nov 13, 2025 at 9:00 am.
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Dr. Chris Mullis, a CFP® and former rocket scientist, challenges the common 80% income replacement rule, revealing why high-savers may be overestimating their needs. Learn the 7 steps to calculate your custom cash flow, factoring in taxes, savings, and the essential "healthcare wild card." Ask Mission Control: Get the definitive answer on when seniors can start using the simplified 1040-SR tax form. Retirement Big Picture: Look up to the stars to explore a mind-bending cosmic event: the visua...