Across Australia, the quiet arithmetic of hidden income is meeting a louder reckoning. The Australian Taxation Office has secured more than 305 convictions and $2.7 million in fines over two years, with prosecutions rising 80 percent in a single financial year — a signal that the state's patience with the shadow economy has reached a deliberate turning point. What was once treated as a private gamble between a tradesperson and their conscience is now, increasingly, a matter for the courts.