You can certainly apply PR from any number of countries at the same time. There will be some financial and time investment though You may also not be able to KEEP PR status in multiple countries
Apply - YES
Keep - YES but a lot of travel will be required to manage both the PRs
Benefit - I m not sure on this. Everyone has a different case. Australia PR is easier to get (no cutoff and draws to worry) and can be used as a back up.
And yes, massive time and financially commitment is required for both the process.
Benefit - I m not sure on this. Everyone has a different case. Australia PR is easier to get (no cutoff and draws to worry) and can be used as a back up.
Australian PR comes with one major benefit in that PRs can also live and work in NZ https://www.newzealandnow.govt.nz/why-choose-nz/compare-new-zealand/australia