Hey guys,
Not sure if you all already know this but I just found out/confirmed with CBA today that if you have a CBA issued Diamond/Platinum AMEX card, there won't be any international transaction cost if you make a purchase overseas either in store or online. This policy was updated 3 months ago.
This is a massive win as it can be used to rack up points as well. I keep on forgetting to pay back my 28 degrees card :|!
Also, you don't need to pay with the Amex card to activate your overseas insurance.
Hope this helps!
Cheers!
I wish it was for Gold card as well! Yes got told I don't need to pay for the flights using the card to get the insurance.