You will receive a pretty speedy invitation to apply if you have the required points in the Australia points calculator. Within 5-8 months of applying, you should expect to receive your PR.
The best technique to obtain permanent residency in Australia is always determined by the visa system you wish to apply for. Each immigration program has its own set of eligibility criteria, terms, and selection criteria.
Furthermore, the government determines the levels of migration planning and the number of spaces available under each migration program.