1. What is Airbnb arbitrage?

Rental arbitrage is a business model where you lease a property on a standard long-term tenancy agreement, furnish it, and relist it on Airbnb (and other platforms) as a short-term rental. You pay the landlord a fixed monthly rent and keep the difference between that rent and your nightly booking revenue, minus expenses.

You do not own the property. You are running a hospitality business from rented premises. The model works when the Airbnb revenue consistently exceeds your total costs (rent + cleaning + utilities + platform fees + insurance + furnishing depreciation).

1.1 The basic maths

A 2-bedroom apartment renting for $2,800/month might generate $4,500/month on Airbnb at 65% occupancy and $230/night. After cleaning ($800-1,200), utilities ($300), platform fees ($150-225), insurance ($100), and consumables ($150), your net profit is roughly $200-900/month. The margin is real but tight.

1.2 Revenue-to-rent ratio

Aim for gross Airbnb revenue of at least 1.5x your monthly rent. Below that, the margin is too thin after expenses. Above 2x is where the model becomes genuinely profitable.

2. Is it legal in Australia?

Yes, but conditionally. There are three legal gates you must clear:

2.1 Landlord consent

Written consent from the landlord is mandatory in every state before subletting or listing on Airbnb. Without it, the landlord can terminate your lease (typically 14-21 days' notice). Most landlords will say no. Successful arbitrage operators approach landlords proactively with a professional proposal covering insurance, property care, and sometimes higher-than-market rent.

2.2 State STRA rules

Registration, night caps, and levies vary by state:

• NSW: Mandatory STRA registration ($65). 180-day cap in Greater Sydney. 60-day cap in Byron Shire.
• Victoria: 7.5% short stay levy from January 2025. OC ban powers. Some councils pursuing 90-night caps.
• Queensland: No state levy or cap. Council-by-council regulation. Noosa has a 90-day cap.
• WA: Mandatory registration ($250). 90-night threshold in Perth metro before needing development approval.
• SA: Lightest regulation. No state-level registration, levy, or cap.

For detailed state guides, see our articles on Sydney STRA rules, Melbourne rules, and Gold Coast rules. For current NSW registration requirements, see the NSW Department of Planning short-term rental accommodation guidance.

2.3 Local council planning

Zoning and development permits apply on top of state rules. Check your council's planning scheme before signing a lease.

3. The risks

Arbitrage carries more risk than most online guides acknowledge.

3.1 Occupancy risk

You pay rent every month regardless of bookings. Below 55-60% occupancy, most arbitrage operations lose money. Winter troughs in Melbourne (May-June) and seasonal markets can mean weeks of zero bookings while rent continues.

3.2 Landlord risk

The landlord can choose not to renew the lease. If they sell the property, the new owner may not honour the arrangement. Your entire business on that property disappears with the lease.

3.3 Regulatory risk

Every major regulatory change in the past two years has added cost, caps, or compliance burden. No Australian state has loosened rules. Night caps, levies, and registration requirements can change with 6-12 months' notice, erasing your margin on properties that were profitable when you signed the lease.

3.4 Capital at risk

Furnishing a 2-bedroom apartment costs $5,000-15,000. If the lease ends or the model stops working, that capital is largely unrecoverable. You also need 3 months of cash reserves to cover rent during ramp-up and off-peak periods.

3.5 Insurance gaps

Standard renters insurance does not cover running a hospitality business. Platform guarantees (Airbnb AirCover) have exclusions and caps. You need specialist short-stay insurance with $10-20M public liability. Operating without it exposes you to catastrophic uninsured losses.

4. Best cities for arbitrage in Australia

The best markets combine reasonable rents, strong tourist demand, and light regulation.

4.1 Strong fundamentals

Brisbane: Growing market, no state levy, no statewide night cap, lower rents than Sydney or Melbourne. Post-Olympics investment narrative driving demand.

Adelaide: Lightest regulation in Australia. No state registration, levy, or cap. Lower entry cost. Growing tourism sector.

Gold Coast: High tourist demand year-round. Relatively permissive council rules (under review). Strong occupancy. See our guide to Gold Coast rules.

4.2 High revenue, higher regulation

Sydney: Highest ADRs ($250-280+) but 180-day cap, mandatory registration, high rents. The cap limits arbitrage viability for non-hosted properties.

Melbourne: Strong occupancy (~68%), solid ADR (~$230), but the 7.5% levy tightens margins. See our guide to Melbourne rules.

Byron Shire: 60-day cap makes non-hosted arbitrage nearly impossible.

5. Tax and deductions

All Airbnb income must be declared to the ATO. Since January 2024, platforms report your earnings directly under the Sharing Economy Reporting Regime.

5.1 What you can deduct

• Rent paid to the landlord.
• Furniture and equipment depreciation.
• Cleaning and laundry.
• Platform fees.
• Utilities, internet, consumables.
• Insurance premiums.
• STRA registration fees.
• State levies (Victorian 7.5%, ACT 5%).
• Property management software and channel manager fees.

5.2 ABN

You do not need an ABN for occasional rental income from a single property. If you operate multiple properties with commercial intent, the ATO will likely classify it as a business and you will need one.

For more on Australian rental tax, see our guide to rental income and deductions in Australia. For platform fee details, see our guide to Airbnb hosting fees in Australia.

6. The management alternative

Many operators who start with arbitrage eventually move to property management partnerships. The reasons are straightforward.

6.1 How the partnership model works

Instead of leasing properties yourself, you partner with property owners and manage their short-term lets for a commission (typically 15-25% of booking revenue). The owner bears the asset costs, mortgage, and capital risk. You provide the operational expertise: listing, pricing, guest management, cleaning coordination, and compliance.

6.2 Why operators switch

• No lease liability. You do not pay rent when bookings are slow.
• Lower capital at risk. The owner furnishes the property.
• More scalable. Adding a new property means signing a management agreement, not committing to 12 months of rent.
• Regulatory risk is shared. The owner holds the registration and bears the property-level compliance burden.
• More defensible. Your business is built on expertise and relationships, not on lease arbitrage that any new entrant can replicate.

For more on management fee structures, see our guide to property management fees in Australia. For the full cost picture, see our guide to costs of running a holiday let.