Is the instant $10 reward the same as Flybuys Dollars? 

Instant $10 off at Coles is a quick way to redeem points at the checkout. To access this offer, you do not need to go through the steps required to redeem your points for Flybuys Dollars. You also don’t need a physical card to access this reward. You can scan your digital Flybuys card at checkout. 

To pay with Flybuys Dollars, you must first redeem your points via the Flybuys app or website, set a PIN to use at the checkout and swipe your physical Flybuys card at the EFTPOS machine. With Flybuys Dollars, you can also choose the amount you want to redeem (in increments of $10).