"Pay Off Your Mortgage as Fast as Possible"

Aggressively paying off a 3-4% mortgage instead of investing in assets earning 8-10% annually can cost you hundreds of thousands in long-term wealth, a mistake Dave Ramsey champions despite its math flaws. For a $300,000 loan, this strategy sacrifices $280,000 in potential returns, making it 50% worse than simply following the #5 advice of disciplined investing.