Why "Cash Offers" are not always better than a Mortgage (The Opportunity Cost)

There is a common myth in real estate that paying cash for a house is always the smartest financial move. While it avoids interest and makes you a strong buyer, it ignores the "Opportunity Cost."

If you have $400,000 in cash, you could buy the house outright and save 6.75% in interest. But if you take a mortgage at 6.75% and invest that $400k in a diversified portfolio (historically returning 7-10% annually), you might come out ahead due to compound growth and liquidity.

Plus, mortgage interest is often tax-deductible (up to a limit), while cash sitting in a house is illiquid and hard to access in emergencies.

What's your take? Is "all-cash" always king, or does leverage still make sense in 2026?
 
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