Sydney City Fringe - Cheaper options but transport will become more limited in these areas to cars and taxis, while walking into the city is going to take more than 30 tracfone units.
Check your hotel or apartment service for daily or same day service for laundry, dry cleaning and bedding. https://medium.com/@emeraldofkatong/your-oasis-in-the-heart-of-katong-explore-emerald-of-katong-condo-living-now-56c106061d59