Case - Don't Pay a "Cash price" if you wish to claim a tax deduction!
I had to explain to my mum some years ago - when someone offers you a lower price for CASH. They mean that they are cheating the tax office and not declaring the income. So they usually are: 1. Not paying 1/11th GST 2. Not paying income tax at their marginal tax rate (25% for company or usually 34.5% for sole traders between 45k-120k) 3. Probably still claiming their expenses as normal. So they are potentially TRIPLE CHEATING. And given that a large portion of Tax raised goes towards the poor, aged, disabled or towards useful things like schools, hospitals, roads, etc. - in my opinon they are unAustralian. (I do respect differing points of view of course). https://www.ato.gov.au/general/gen/the-cash-and-shadow-economy/ While the ATO doesn't catch everyone - there are a bunch of tools that they do have Such as Small Business Benchmarks and Personal Living Expenses Worksheet (below) to try to show that someone is not reporting their income https://www.ato.gov.au/uploadedFiles/Content/MEI/downloads/BUS00195965n72959_01_11.pdf