Just a heads up on my buying experience with the $50 Coles MasterCard offer today.
Went to a regular checkout to avoid potential problems and encountered several difficulties. Cards wouldn't activate and the staff member refused to scan the flybuys card as they insisted you couldn't earn flybuys buying gift cards!
Eventually took the problem to the service desk and they had to try 4 different cards to get one to activate. Staff were quite unhelpful and tried to convince me that when the card previously did not activate it would still be linked to my flybuys purchase. Rubbish!
Check your dockets carefully and do not leave the store until you're satisfied that everything that should happen has happened!