I wont sugar coat it, at times single parenthood is really hard, mostly it's rewarding, but sometimes incredibly hard. Don't forget you will get baby bonus & will be entitled to other Centrelink payments so financially you should be OK as long as you stay with your parents. As others have said a baby doesn't take up a lot of room so you should have no reason to move out at first. Later you might like to have your independence.

Don't forget that you've got months to get used to the idea so hopefully you will come to terms with it. If not there is always adoption. Very few babies get adopted out these days so if you went down that road you would be providing an infertile couple with a very much wanted baby to cherish.

Once you get yourself booked in to a hospital for the birth you should ask to see the hospital social worker because it really does sound like you could do with some help.