Just received this email this morning.
Receive a $400 Good Guys voucher plus $10 monthly credit for the first twelve months bringing the $69 plan to $59 a month.
Comes with a bonus 20gb bringing it to 80gb per month.
Total cost works out at $59 x 12 = $708. With the use of the $400 voucher would bring down the monthly cost to $25.67.
Unavailable in metro Melbourne as per terms: As this is an in store only promotion, unfortunately, due to stage 4 restrictions this offer is unavailable for Metro Melbourne customers.