Grab an Amaysim starter kit for $5, with $5 included credit - free postage & $27 Buckscoop cashback!
Prepaid sims/microsims can be ordered, starting at just $5, which includes $5 prepaid credits.
A quick summary of their rates: (Full details can be found by clicking though)
No flagfall/connection fee
15c per min to landlines/mobiles (any network)
12c per sms (any network)
5c per megabyte casual internet browsing
They also offer Australian customer service via their call centre and
They also have data packs for $9.90 which give you 1GB data with a 30-day expiry.
Amaysim runs on the Optus network, providing "coverage to 97% of the population" with 3G.
***Cashback rate refers to the purchase of each new sim, not for subsequent recharges. Only valid when you purchase your sim online via Buckscoop. Be sure to clear your cookies before making your purchase & check Buckscoop Help for further details on how to further ensure your cashback will track.