Few tips for new migrants:
Massive level crossing removal projects and construction nowadays so trains are not available in some suburbs like southeast Frankston or Cranbourne line refer to this link https://www.metrotrains.com.au/planned-works/
When someone posted the room is "near bus stop" it doesn't mean its accessible. Bus interval usually 30-60 minutes. (I've been victim of this false info by fellow Filo)
Mostly of cheap rental are in west.."in this world you get what you pay for" (tarneit,footscray,sunshine,st.albans etc..)