Aussie FIRE | Financial Independence Retire Early 48. Offsets vs Investing: What’s Really Best for Your Mortgage?
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Sep 26, 2025 Delve into the debate of whether to funnel cash into offset accounts, savings, or investments. The hosts dissect how offsets can lower long-term interest but do little for monthly cash flow. They explore scenarios where savings accounts might compete and reveal the numeric benefits of offsets. Insights on interest rates, debt recycling, and time horizons offer a fresh perspective. Discover the risks of investing versus offsets and why many shy away from market moves, highlighting the importance of financial security in decision-making.
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Mother's Tight Budget Example
- Hayden describes his mother buying a small apartment with very little spare cash and the trade-off between offset and savings for cash flow.
- He suggests bringing forward cashflow by using savings if a slower mortgage payoff is acceptable.
Investing Can Match Offset Over Time—With Risk
- Investing can grow a separate portfolio that offsets remaining mortgage balance, but it carries market risk and capital gains tax.
- In their model, investing in the S&P could shave ~2 years off the mortgage versus offset, net of tax assumptions.
Rates Shift The Investing vs Offset Margin
- Lower mortgage rates reduce the required investment return to beat offset, increasing the 'safety buffer' for investing.
- Debt recycling effectively lowers your after-tax interest rate and widens that buffer for choosing investment over offset.