Investopoly Q&A - Dream Homes, big incomes & borrowing power: When to upgrade, wait, simplify
9 snips
Feb 16, 2026 High-stakes property tradeoffs around upgrading to multimillion-dollar homes versus keeping investment portfolios. When borrowing more is possible but may reduce future flexibility. Whether to sell assets or use cash to cut non-deductible debt. Timing moves between regions and cities while preserving tax exemptions. Early-career leverage choices, land-buy-now strategies, and sequencing big lifestyle decisions.
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Compare Opportunity Cost Before Selling
- Compare the after-tax saving from reducing non-deductible home debt to the expected pre-tax return of your investment assets before selling them.
- Sell the property with the weakest expected future return only if it improves your long-term compounding versus carrying the extra $2m home loan.
Use Mortgage Savings As A Benchmark
- Treat the mortgage interest saved as a near risk-free after-tax return when comparing options.
- Target a conservative after-tax benchmark (about 6% real) when assessing whether investments beat paying down non-deductible debt.
Sell The Lowest-Conviction Asset
- Identify which of your properties has the weakest outlook and consider selling that one to reduce non-tax-deductible borrowing.
- Prioritise keeping assets you believe will compound more than the cost of extra home debt.
