The situation
An Australian freelancer works from home most days and genuinely uses the household internet and phone for clients. At tax time, the person decides to claim a large percentage of the bundled household bill based on feel, without diary evidence, clear apportionment or a record of business versus private use.
Why the basic instinct feels right
The freelancer is not wrong that work uses the connection. The ATO's home-phone-and-internet guidance assumes mixed-use services are common. The tax problem begins one step later, when the taxpayer treats obvious business use as though it automatically defines the deductible percentage of the whole household service.
What the ATO still expects
The ATO keeps returning to apportionment and records because home connectivity is mixed-use by nature. Bundled services make the claim feel more intuitive, but they actually make proof more important. The deduction works best when it is traced, measured and boring, not when it is emotionally plausible and mathematically vague.
How the claim should be rebuilt
The freelancer should reconstruct the claim with diary support, bills and a reasoned work-use method that can be explained calmly later. In Australia, home internet deductions usually go wrong not because work use was absent, but because the taxpayer assumed real work use eliminated the need for evidence.
Action checklist
- 1Separate genuine work use from total household use instead of claiming by intuition.
- 2Use diary evidence, bills and a defensible apportionment method.
- 3Treat bundled home services as mixed-use by default.
- 4Rebuild the deduction now rather than waiting for an ATO challenge to force the calculation later.
Educational content only
This scenario is for general education, not personalized tax advice. Confirm specifics with a qualified professional before acting.