A Cranbourne woman secured $1.2 million after changing her TattsLotto ticket moments shortly before the lottery draw.
A Geelong man also secured $1.2 million with a final ticket swap.
Reportedly, recent Saturday Lotto winners in Hornsby did not quit their jobs straight away.
General guidance for lottery winners advises pausing before coming forward and seeking professional advice.
The Lott published tips on Monday from a actual division one winner on how to navigate a major prize.