7GB Data + Unlimited Calls to 12 Countries at $9.90 + $8 Upsized Cashback. Claim time:75 DAYS. Effective cost = $9.90 - $8 = $1.90 (after cashback).
Carrier: Telstra 3G & 4G
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First Month Only. See the terms and conditions below:
The discounted price of $9.90 will only be applicable to New SIM order. Renewal of the plan will cost $30.
Cashback is only available to new customers who order a SIM with top-up/bundle of any value.
Customers will have to activate the new SIM and top-up/add bundle within 45 days to be eligible for cashback
Bear in mind, its 28 days and not the full month. I'm not sure if they allow the full month on adding automated payment methods.