A Cranbourne woman snagged $1.2 million after switching her TattsLotto ticket a few moments shortly before the draw.
A Geelong man also claimed $1.2 million with a last ticket exchange.
Reportedly, recent Saturday Lotto winners in Hornsby did not quit their jobs right away.
General guidance for lottery winners recommends waiting before coming forward and getting professional advice.
The Lott released tips on Monday from a actual division one winner on how to manage a major prize.