While 20% off might not be attractive on most of the wearables but for this particular one it might just be the lowest price.
Instructions courtesy of IIGnomeII
1) Go to http://flybuys.com.au/fitbitstore . This will redirect you to the fitbit online store but a special purchase page.
2) Pick your fitbit from the list with the add button
3) Fill in the details of the shipping address etc, down the bottom you will need to specify your flybuys number as well
4) Hey presto you have a fitbit for $199.96 AND free shipping if you pick the option for standard delivery!