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#667: Should You Ever Get a 50 Year Mortgage? – with Dr. Karsten Jeske
Home prices have outpaced wages for more than a decade, and first-time buyers are stretching further every year. Now a new idea is entering the conversation, the 50-year mortgage. It promises lower monthly payments, yet it reshapes everything from equity growth to long-term risk.
In this episode we sit down with Karsten Jeske, PhD, CFA from Early Retirement Now, a former Federal Reserve economist known for forensic financial modeling. Together we walk through when a 50-year mortgage might make sense, when it clearly does not, and why the math is rarely as simple as “higher payment versus lower payment.”
We also dig into how ultra-long mortgages could push home prices even higher, and what this means for today’s buyers and tomorrow’s retirees.
If you’ve wondered whether extended loan terms offer real affordability or just disguise the cost, this conversation gives you a clearer lens.
Key Takeaways
Why stretching to a 50-year mortgage can look affordable on paper yet leave you with far slower equity growth in the years that matter most.
The few cases where a longer mortgage term can support a deliberate strategy, such as freeing cash flow to invest, and why this only works for certain borrowers.
How inflation, appreciation, and opportunity cost change the “true” math behind 30-year versus 50-year loans.
Why ultra-long mortgages may raise home prices more than they help buyers and what this means for generational wealth.
How late-life mortgage decisions, downsizing, and step-up in basis reshape your legacy far more than the length of the loan itself.
Resources and Links
Early Retirement Now blog, Karsten’s research and mortgage modeling.
Related Afford Anything Blogs and Podcasts
Chapters
Note: Timestamps are approximate and may vary greatly across listening platforms due to dynamically inserted ads.
(0:00) Why 50-year mortgages are entering the affordability debate
(0:21) When a longer mortgage signals a deeper affordability issue
(1:28) Karsten’s framing for when extended terms might be rational
(3:45) How rental conversions and investor strategy change the math
(4:55) Equity growth comparisons between 30-year and 50-year loans
(9:06) Inflation adjustments and real versus nominal gains
(15:56) Who actually wants ultra-long debt in the bond markets
(21:33) How lenders price longer-term risk
(37:13) Lifetime housing moves and the hidden costs of slow amortization
(41:47) Rethinking interest as time value rather than a penalty
(53:03) How extended terms could inflate home prices
(59:01) Demand-side fixes that worsen supply shortages
Thanks to our sponsors!
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By Home prices have outpaced wages for more than a decade, and first-time buyers are stretching further every year. Now a new idea is entering the conversation, the 50-year mortgage. It promises lower monthly payments, yet it reshapes everything from equity growth to long-term risk.
In this episode we sit down with Karsten Jeske, PhD, CFA from Early Retirement Now, a former Federal Reserve economist known for forensic financial modeling. Together we walk through when a 50-year mortgage might make sense, when it clearly does not, and why the math is rarely as simple as “higher payment versus lower payment.”
We also dig into how ultra-long mortgages could push home prices even higher, and what this means for today’s buyers and tomorrow’s retirees.
If you’ve wondered whether extended loan terms offer real affordability or just disguise the cost, this conversation gives you a clearer lens.
Key Takeaways
Why stretching to a 50-year mortgage can look affordable on paper yet leave you with far slower equity growth in the years that matter most.
The few cases where a longer mortgage term can support a deliberate strategy, such as freeing cash flow to invest, and why this only works for certain borrowers.
How inflation, appreciation, and opportunity cost change the “true” math behind 30-year versus 50-year loans.
Why ultra-long mortgages may raise home prices more than they help buyers and what this means for generational wealth.
How late-life mortgage decisions, downsizing, and step-up in basis reshape your legacy far more than the length of the loan itself.
Resources and Links
Early Retirement Now blog, Karsten’s research and mortgage modeling.
Related Afford Anything Blogs and Podcasts
Chapters
Note: Timestamps are approximate and may vary greatly across listening platforms due to dynamically inserted ads.
(0:00) Why 50-year mortgages are entering the affordability debate
(0:21) When a longer mortgage signals a deeper affordability issue
(1:28) Karsten’s framing for when extended terms might be rational
(3:45) How rental conversions and investor strategy change the math
(4:55) Equity growth comparisons between 30-year and 50-year loans
(9:06) Inflation adjustments and real versus nominal gains
(15:56) Who actually wants ultra-long debt in the bond markets
(21:33) How lenders price longer-term risk
(37:13) Lifetime housing moves and the hidden costs of slow amortization
(41:47) Rethinking interest as time value rather than a penalty
(53:03) How extended terms could inflate home prices
(59:01) Demand-side fixes that worsen supply shortages
Thanks to our sponsors!
Mint Mobile
Turn your expensive wireless present into a huge wireless savings future by switching to Mint. Shop Mint Unlimited Plans at mintmobile.com/Paula
Policy Genius
Secure your family’s future with Policygenius. Head to policygenius.com to compare life insurance quotes from top companies and see how much you could save.
Indeed
If you’re looking for amazing talent to bolster your team, you need Indeed. Go to indeed.com/paula and start hiring with a seventy-five dollar sponsored job credit.
Wayfair
Get last-minute hosting essentials, gifts for all your loved ones, and decor to celebrate the holidays for WAY less. Head to wayfair.com right now to shop all things home.
Quince
Find gifts so good you'll want to keep them with Quince. Go to quince.com/Paula for free shipping on your order and 365-day returns.
MasterClass
With MasterClass you can learn from the best to become your best. Head over to masterclass.com/afford and enjoy up to 50% off on classes.
Boldin
Model your retirement scenarios, test every “what if,” and take control of your financial future with confidence. Start planning at go.boldin.com/afford