The capstone. When you have an unusually high-income year, the lessons stop being separate — you stack them, and the saving compounds.
In a year with a big one-off — a bonus, an asset sale, a redundancy payout, a strong year in business — your top dollars are taxed at the highest rate you'll ever pay. That's painful, but it's also the opportunity: every dollar you can legally move out of that top slice is saved at 39% or 47%.
So a Big Year is when you stack the moves — super, deductions, and capital-gains timing together — to pull your taxable income back down. Done in the right order, the levers reinforce each other.
You earn $140k and land a $60,000 bonus — that bonus is taxed at ~39–47%, about $24,000 of tax. Stacking three moves in the same year:
Illustrative only — the real numbers depend on your unused caps, what you can prepay, and your gains. But the shape holds: in a high-rate year, stacked moves save far more than any one alone.
Each move is a lesson you've already met. The Big Year just runs them together:
Carry-forward supersoak up the top-rate income at 15% — biggest single lever Bring deductions forwardprepay deductible costs into this high-rate year Time your capital gainsdefer a sale, hold 12+ months for the discount, or harvest a lossOrder matters — super first (it cuts the highest-rate dollars), then deductions, then gains timing. Getting the sequence right is the skill.
A Big Year is where personal, signed advice pays for itself. A registered tax agent can build and sequence the stack for your exact numbers and lodge it correctly.
General educational information, not personal tax or financial advice. The "Big Year" stack is advice-grade and highly situation-dependent — have it reviewed and signed by a registered tax agent before acting. Figures are illustrative estimates for FY2025-26.
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