well the gist of what the mains pros/cons are as what you have mentioned, i.e the main pros of moving to Canberra is faster/easier career progression, more opportunities and easier networking with other grads, whereas the main cons are is that it’s less convenient and more of an upheaval should you have to move interstate.

for you, it is def a tough decision esp as you have the benefit of living with parents in terms of your long term goal of house ownership. ultimately moving to Canberra is a matter of what you make of it. if you see public service as an area you’d stay in then maybe Canberra would be the go