Not a bad price if you were looking to buy the 3-way grip. You need to add both items (camera and grip) to the cart. Also available on their eBay store
https://www.thegoodguys.com.au/gopro-3-way-grip--gpafaem-001
https://www.thegoodguys.com.au/gopro-hero5-session-gpchdhs-5…
https://www.thegoodguys.com.au/gopro-hero5-black-edition-gpc…
$50 store credit when click and collect
Edit: you need to buy an extra $1 item with the session to make it $400
nice deal !