Boost offer. Scan rewards card when shop to Top up your Rewards points to 2000pt = $10 credit.
No min spend but 1c to qualify - 15c plastic bag is cheapest.
Offer of 1300pts received in email "hit 2000 points with a X points top up at BIG W"
Also in Rewards app.
"If you hit 2000 points in the last 7 days, you will still receive the points top up when you shop and scan or tap your card at BIG W during the promotional period."