Stamp duty 4%
Paid once, when the strata title is registered. Reliefs exist: part of the value (up to $70k) may be exempt, and some projects are exempt until 2028.
Property tax 0.1% a year
Calculated on the assessed value minus $25,000. Example: a $127k apartment pays about $77 a year.
Rental income tax 14%
Withheld from rental income, automatically when a management company is used.
Capital gains tax 20%
On the profit when you sell. You can choose a flat 80% expense deduction without paperwork, or deduct actual documented costs.
Running costs
Management fee about $0.8–1/m² a month (often paid by the tenant); electricity about $0.25/kWh and water about $0.60/m³, paid by the tenant; internet about $18 a month; parking $30–50 a month if needed.
At key handover
A furniture and appliance package of $3–8k (if not included), the first year's management fee, water and power connection (about $200), and a sinking fund (R&F example: $768 every 10 years).
This is general information; confirm terms with the developer and a lawyer at the time of the deal.