Australia is the natural VPS location when the main audience is in Australia or nearby Oceania. A US or Singapore instance may look cheaper, but distance changes latency and can make support or data-location requirements harder to explain. Check whether the offer is in Sydney, Melbourne or another city, because country-level labels do not describe every route.
Australian plans also deserve a careful traffic check. Included transfer, port speed and overage rules can differ from an apparently similar US VM. Compare this page with Singapore only when you serve both regions, and use the VPS ranking for a location-neutral shortlist.
Straight answers about ranking methodology, pricing and choosing the right plan.
You can, but it is usually a latency compromise. Test both regions if users are split between Southeast Asia and Australia; an Australian location is normally the safer default for an Australia-first service.
Regional offers can have different included traffic and overage terms from US or EU cloud plans. Check the tariff when serving media, downloads, backups or gaming traffic.