Published: 30 March 2026

eBay Seller Tax Australia: What Every Online Seller Needs to Know

Selling on eBay has become an increasingly popular way for Australians to earn extra income, clear out unwanted items, or even build full-time businesses. Whether you're flipping vintage finds, selling handmade crafts, or running a dropshipping operation, understanding your tax obligations is essential for staying compliant with the Australian Taxation Office (ATO). Many eBay sellers are surprised to learn that their online activities may trigger specific tax requirements, from GST registration to income reporting.

The ATO has significantly increased its scrutiny of online marketplace transactions in recent years, using sophisticated data-matching technology to identify sellers who may not be meeting their obligations. This comprehensive guide will walk you through everything you need to know about eBay seller tax in Australia for the 2025-26 financial year, helping you navigate ABN requirements, GST registration, income reporting, and available deductions so you can focus on growing your online business with confidence.

Do You Need an ABN to Sell on eBay?

The question of whether you need an Australian Business Number (ABN) to sell on eBay depends largely on whether your selling activities constitute a business or a hobby. The ATO considers several factors when making this determination, including your intention to make a profit, the frequency and volume of your sales, whether you purchase items specifically for resale, and whether you operate in a business-like manner with systems for record-keeping and advertising.

If you're simply selling personal items you no longer need—such as old clothes, electronics, or furniture—the ATO generally considers this a hobby activity, and you won't need an ABN. However, if you're regularly buying inventory with the intention of reselling at a profit, or if you're consistently selling large volumes of items, you're likely running a business and will need to register for an ABN. Having an ABN allows you to register for GST if required, claim business expenses as tax deductions, and avoid having 47% tax withheld from your payments under PAYG withholding rules.

Applying for an ABN is free and can be done online through the Australian Business Register in approximately 15 minutes. Once registered, you'll need to include your ABN on your eBay listings if you're operating as a business, and you'll be responsible for reporting all business income in your annual tax return. Your eBay income will be combined with any other income you earn to determine your overall income tax liability.

GST Registration Requirements for eBay Sellers

Goods and Services Tax (GST) is a 10% tax applied to most goods and services sold in Australia. For eBay sellers, understanding when GST registration becomes mandatory is crucial for compliance. The current threshold requires businesses with an annual turnover of $75,000 or more to register for GST and charge this tax on applicable sales. For non-profit organisations, the threshold is higher at $150,000.

It's important to note that the $75,000 threshold includes your gross business income, not just your profit. This means if your total eBay sales exceed $75,000 in a 12-month period, you'll need to register for GST regardless of how much you spent on inventory, shipping, or other business expenses. Once registered, you'll need to charge 10% GST on most items you sell to Australian customers and lodge regular Business Activity Statements (BAS) to report and remit this tax to the ATO.

Some eBay sellers may choose to register for GST voluntarily even if they're below the threshold. This can be advantageous if you make significant business purchases that include GST, as you can claim input tax credits for the GST you've paid on business expenses. However, voluntary registration also means additional compliance obligations, so it's important to weigh the benefits against the administrative burden. Here's a comparison of GST obligations based on your turnover:

When pricing your items on eBay, you'll need to decide whether your listed prices include GST (GST-inclusive) or whether GST will be added at checkout. Many Australian buyers expect GST-inclusive pricing, so factor this into your pricing strategy. Remember that GST collected from customers belongs to the ATO and must be set aside for payment when your BAS is due.

Income Tax Obligations for eBay Sellers

All income earned from selling on eBay must be declared on your tax return if you're operating as a business. This income is added to any other income you receive, such as salary from employment, investment income, or other business earnings, to determine your total taxable income. The progressive tax system means that higher income levels attract higher tax rates, so your eBay earnings could potentially push you into a higher tax bracket.

For the 2025-26 financial year, Australian residents pay income tax at the following marginal rates. These rates apply to your combined income from all sources:

In addition to income tax, you'll need to account for the Medicare levy, which is typically 2% of your taxable income. If you don't have private health insurance and your income exceeds certain thresholds, you may also be liable for the Medicare Levy Surcharge. When calculating your take-home pay from your eBay business, it's essential to factor in all these obligations to avoid surprises at tax time.

If you have a HECS-HELP debt from your university studies, your eBay income will also count toward your repayment income. For FY 2025-26, compulsory repayments begin once your repayment income reaches approximately $67,000, with rates ranging from 1% to 10% depending on your income level. Unlike employees who have these repayments automatically deducted from their pay, eBay business owners must factor HECS repayments into their tax planning.

Tax Deductions eBay Sellers Can Claim

One of the significant advantages of operating your eBay activities as a business is the ability to claim tax deductions for expenses directly related to earning your income. These deductions reduce your taxable income, potentially saving you hundreds or thousands of dollars at tax time. Understanding what you can claim is essential for maximising your after-tax profits.

Common deductible expenses for eBay sellers include the cost of inventory or goods purchased for resale, eBay fees and commissions, PayPal or other payment processing fees, postage and shipping costs, packaging materials, and storage costs for your inventory. If you work from home, you may also be able to claim home office expenses using the fixed rate method (67 cents per hour) or the actual cost method for dedicated business spaces.

Other claimable deductions include expenses for photography equipment used to take product photos, computer equipment and software used for managing your eBay business, internet and phone costs for business use, and professional fees for accountants or tax agents. If you use your vehicle for business purposes—such as sourcing inventory, posting items, or traveling to storage facilities—you can claim vehicle expenses using either the cents per kilometre method (up to 5,000 business kilometres) or the logbook method.

Record-keeping is absolutely critical for claiming deductions. The ATO requires you to keep receipts, invoices, and other documentation for five years after you lodge your tax return. For eBay sellers, this means keeping records of your purchase prices for inventory, all platform fees, shipping receipts, and any other business expenses. Digital records are perfectly acceptable, so consider taking photos of receipts or using accounting software to keep everything organised.

Superannuation Considerations for eBay Sellers

Unlike employees who receive compulsory superannuation contributions from their employers, eBay sellers operating their own business are entirely responsible for their own retirement savings. While making super contributions isn't mandatory for the self-employed, it's highly recommended to maintain your long-term financial security, and it can also provide immediate tax benefits.

Personal superannuation contributions from your after-tax income can often be claimed as a tax deduction, providing a dual benefit: you reduce your taxable income now while growing your retirement nest egg for the future. For the 2025-26 financial year, the concessional contributions cap is $30,000 per year, which includes any personal contributions you claim as tax deductions. You can explore different contribution scenarios using our salary sacrifice calculator to see how super contributions might benefit your tax position.

For eBay sellers with fluctuating income, making regular super contributions can be challenging. One strategy is to set aside a percentage of your profits during good months to make larger contributions at the end of the financial year. Remember that you must notify your super fund of your intention to claim a deduction before you lodge your tax return, and receive acknowledgment from them, to be eligible for the tax deduction.

Practical Tips for Managing eBay Seller Tax

Staying on top of your tax obligations as an eBay seller doesn't have to be overwhelming. The key is to establish good systems from the start and maintain them consistently throughout the year. Set up a separate bank account specifically for your eBay business to keep business and personal finances clearly separated. This simple step makes record-keeping significantly easier and gives you a clearer picture of your business profitability.

Consider setting aside a percentage of every sale for tax purposes. A good rule of thumb for eBay sellers is to reserve between 25-35% of your gross income, depending on your total income level and tax bracket. Transfer this amount to a separate savings account and don't touch it—this ensures you'll have the funds available when your quarterly BAS or annual tax bill is due. Using accounting software designed for small businesses can save you hours of work and help you stay compliant with ATO requirements.

Keep detailed records of all your transactions, including screenshots of eBay sales, receipts for inventory purchases, and records of all business expenses. The ATO's data-matching capabilities mean they can cross-reference your reported income with information provided by eBay, so accuracy is essential. If you're unsure about any aspect of your tax obligations, don't hesitate to seek professional advice from a registered tax agent or accountant. The cost of their services is tax-deductible, and they can help ensure you're meeting all compliance requirements while maximising your legitimate deductions.

Summary: Stay Compliant and Maximise Your eBay Profits

Selling on eBay in Australia can be a rewarding way to earn extra income or build a full-time business, but it comes with important tax responsibilities. Understanding when you need an ABN, whether GST registration applies to your situation, and how to report your income correctly are fundamental to staying compliant with the ATO. The key is to be proactive about your tax obligations from the moment you start selling, rather than waiting until tax time to sort everything out.

For FY 2025-26, remember that eBay income is taxed at individual marginal rates if you're operating as a sole trader, with the Medicare levy of 2% applying to your taxable income. If your annual turnover reaches $75,000, you'll need to register for GST and lodge regular BAS statements. And if you have a HECS-HELP debt, your eBay income counts toward your repayment threshold.

By keeping accurate records throughout the year, setting aside money for tax obligations, and claiming all legitimate deductions, you can minimise your tax burden while building a successful eBay business. Whether you're selling as a casual hobbyist or running a sophisticated online retail operation, understanding the Australian tax system will help you achieve your financial goals while staying on the right side of the ATO. Use our suite of calculators to estimate your tax obligations and plan for a profitable year of eBay selling.