Sometimes the rule of unintended consequences is super, via Domain:
The number of properties offered on Airbnb could be slashed thanks to a NSW government proposal to impose stringent new fire safety rules on homes being let short-term.
To bring their homes up to the required level, owners and lead tenants could face bills of thousands of dollars to fit integrated smoke alarms in bedrooms and corridors, as well as heat sensors in kitchens, fire extinguishers, fire blankets, emergency exit lights and evacuation maps.