How to Make Extra Money in Australia: The Complete Side Hustle Tax Guide

Australians generated over $11 billion in income through sharing economy and gig platforms in 2023. Whether you earn $500 or $50,000 on the side, the ATO expects you to declare it. Here is how each major category is taxed.

• Freelancing and consulting: Design, development, copywriting, accounting, marketing - any skill-based work for multiple clients; assessable income; ABN recommended for business-like activity; GST applies when turnover exceeds $75,000; all platform fees deductible
• Food delivery (Uber Eats, DoorDash, Menulog): Assessable income; ABN required; GST registration at $75,000 threshold (food delivery is NOT a taxi service - standard threshold applies, unlike rideshare); car expenses deductible via logbook or 88c/km (5,000km cap); helmet and gear deductible for cyclists
• Online tutoring and teaching: STEM tutoring, music lessons, language teaching; assessable income; ABN if business-like; home office deductible (67c/hr method); educational materials deductible; Zoom/Teams subscription deductible
• Renting your driveway, car, or tools: Spacer (parking), Car Next Door/Turo (car rental), Koala-based tool libraries - all generate assessable income; proportional deductions for depreciation and running costs; car rental income = assessable, car depreciation and insurance proportion = deductible
• Selling online (eBay, Facebook Marketplace, Depop, Etsy): If selling new goods or buying to resell = carrying on a business (assessable, ABN required); selling your own second-hand personal items at a loss = not assessable; selling personal items at a profit = potentially CGT (not income tax); crafts, handmade goods, and vintage buying/reselling = business income
• Content creation (YouTube, Twitch, TikTok, Instagram): Advertising revenue (Google AdSense, TikTok Creator Fund), brand partnerships, affiliate income, subscription revenue - all assessable once carried on in a business-like manner; equipment, software, home studio deductible

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Whether you need an ABN and whether you need to register for GST depends on the nature and scale of your side hustle. Getting this right from day one prevents problems later.

• When do you need an ABN? You need an ABN if you are carrying on a business - this includes regular and repeated activity conducted in a business-like manner with the intent to profit; a single one-off service for a neighbour probably is not a business; weekly freelance work for multiple clients almost certainly is
• Withholding without an ABN: Clients (particularly businesses) are required to withhold 47% from payments to suppliers who don't provide an ABN - if you do paid work without quoting an ABN, the payer may withhold nearly half your payment; getting an ABN prevents this
• GST registration threshold: $75,000 in annual turnover from all business activities; you must register for GST before your turnover reaches $75,000 (not after); if you register late, the ATO can backdate your liability; rideshare is the exception - register from day one regardless of turnover
• Voluntary GST registration: You can register for GST even below $75,000; beneficial if your business has significant input tax credits (GST on expenses) that you want to claim back; disadvantage is the administrative obligation of quarterly BAS lodgement
• Business registration vs company: Most side hustles operate as a sole trader (simplest, no separate entity, business income on your personal tax return); a company provides liability protection but requires ASIC annual fee ($59) and a separate tax return; most small-scale side hustlers do not need a company structure initially
• ATO business registration: Register for an ABN through the ATO business portal (free, instant online); also register a business name through ASIC if you trade under a name other than your own ($39/yr for 1 year or $91 for 3 years); GST registration done through the same portal

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The good news about side hustle income: most business expenses are deductible, reducing your taxable income. The key rule is that the expense must be incurred to earn the side hustle income.

• Equipment and tools: Computer, microphone, camera, instruments, tools, safety gear, measuring equipment - work-use proportion deductible; under $300 immediate deduction; over $300 depreciated; small businesses under $10M turnover: instant asset write-off for items under $20,000
• Platform fees and subscriptions: Airtasker service fee (up to 20%), Upwork service fee (5–20%), Fiverr 20%, Etsy listing and transaction fees, eBay final value fees - all deductible; software subscriptions (Adobe, Canva Pro, Zoom, project management tools) - deductible for work-use proportion
• Marketing costs: Facebook/Instagram/Google ads to promote your services; printing of business cards or flyers; website hosting and domain registration - all deductible
• Professional development: Courses and training directly relevant to maintaining or improving your current side hustle skills - deductible; Udemy, Coursera, Skillshare subscriptions where used for skill maintenance - deductible for work-use proportion
• Home office: Hours worked from home on the side hustle × 67c/hr (ATO fixed rate method) covers running costs; or actual costs method for a dedicated workspace; proportion of internet and phone directly attributable to side hustle also deductible
• Vehicle costs: For side hustles requiring driving to client sites (trade services, photography, tutoring house calls, delivery) - logbook method or 88c/km (5,000km cap); keep records of every business trip

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The distinction between a hobby (not taxable) and a business (fully taxable) is one of the most contested areas in Australian tax law. The ATO has published guidance, but the line requires judgment.

• Key ATO factors for business vs hobby: (1) Intent to profit - is your primary motivation financial gain? (2) Repetition and regularity - do you conduct the activity repeatedly? (3) Business-like manner - do you keep records, have a business plan, operate with commercial practices? (4) Scale - is the activity large enough to suggest a business? (5) Likelihood of profit - could this activity realistically generate profit?
• Examples typically classified as hobby: Selling occasional hand-crafted items at local markets with no intent to grow; a part-time musician performing at church who accepts voluntary donations; someone who paints for relaxation and occasionally sells a painting - if no profit intent and irregular
• Examples typically classified as business: A graphic designer who takes on client work on Fiverr regularly and invoices; a tradesperson who does weekend work for cash; an eBay reseller who buys stock to resell; a fitness trainer with regular private clients - all have commercial intent and repetition
• Hobby income not assessable but expenses not deductible: If your activity genuinely is a hobby, the income is not assessable - but you also cannot deduct hobby expenses; you cannot cherry-pick: if you claim deductions, you must declare the income
• The non-commercial loss rules: Even if you are in business, if your activity makes a loss and it is classified as a 'non-commercial loss' activity (meets specific ATO tests), the loss may not be deductible against your salary income in the current year - it is quarantined until the activity makes a profit; sole traders with employment income and small business losses may be affected
• ATO's business/hobby quiz: The ATO provides an online decision tool (ato.gov.au/business) to help determine whether an activity is a business or hobby; it is not legally binding but provides a useful framework for structuring the assessment

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As a sole trader, you receive no Super Guarantee from anyone. Building retirement savings is entirely self-directed. Understanding your super options - and the record-keeping requirements - is essential.

• No SG for sole traders: The Super Guarantee obligation applies to employers and employees - as a sole trader, you are not your own employer; no one pays SG on your behalf; your super balance will not grow from business income unless you actively contribute
• Personal deductible contributions (s290-150 ITAA 1997): Sole traders can make contributions to their own super and claim a personal deduction - contributing $10,000 from business profit to super generates a $10,000 tax deduction at your marginal rate; the super fund pays 15% contribution tax; net saving = marginal rate minus 15% (up to 32 cents per dollar at 47%)
• Notice of Intent to Claim: To claim the deduction, you must lodge a valid Notice of Intent to Claim with your super fund BEFORE lodging your tax return (or before rolling or withdrawing from the fund); the fund must acknowledge the notice; deduction is only available for the year the contribution was made
• Concessional cap $30,000 (2024–25): Total of personal deductible contributions + any SG (from any part-time employment) must not exceed $30,000; excess CCs are taxed at marginal rate less 15% offset
• Record-keeping for sole traders: Maintain all invoices, receipts, bank statements, and business records for 5 years from lodgement; the ATO can audit up to 5 years after lodgement; use accounting software (Xero, MYOB, Wave (free), FreshBooks) to track all income and expenses; consider a dedicated business bank account from day one - separates business and personal transactions automatically
• ATO data-matching for side hustles: From 1 July 2023, all sharing economy platforms with Australian users above $12,000 annual transactions report to the ATO (sharing economy reporting regime); from 1 July 2024, all platforms regardless of size; assume the ATO already has your side hustle income data before you lodge

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ABN registration: Free, instant, online through the ATO business portal. Required when carrying on a business (regular, repeated, commercially oriented activity). Without an ABN, payers must withhold 47% of payments under the Tax Withholding for Unlicensed Workers rules. Get an ABN before starting any side hustle you intend to repeat.

GST registration threshold: $75,000 in annual turnover (all business activities combined). Rideshare exception: register from day one regardless of income. Register before crossing the threshold - late registration means the ATO can backdate your liability and you owe GST on all sales above $75,000 even if you did not collect it from customers.

Instant asset write-off: $20,000 per asset for businesses with turnover under $10M (2024–25 threshold). A sole trader side hustler with $30,000 annual turnover qualifies. Buy a $1,500 laptop for the business? Fully deductible immediately (not depreciated). Buy a $25,000 van for the business? Depreciated over effective life (not immediately deductible).

Personal super deduction for sole traders: Contribute up to $30,000/yr to super and claim as a personal deduction under s290-150 ITAA 1997. Must lodge a Notice of Intent to Claim before lodging the tax return. At 34.5% marginal rate, $10,000 contribution saves $1,950 in net tax (34.5% − 15% = 19.5% × $10,000).

Non-commercial loss rules: If your side hustle makes a loss and has turnover under $20,000, or you cannot demonstrate a realistic prospect of profit, the loss may be quarantined (cannot offset your salary income in the current year). The quarantined loss carries forward to offset future business profits from the same activity. Seek tax advice if your side hustle consistently makes losses.

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