I dont think you need to be a member of cashrewards to use this coupon… similar to this deal https://www.ozbargain.com.au/node/222710
details from cashrewards site: http://www.cashrewards.com.au/coupons/10-off-when-spend-100-…
To redeem enter coupon code WK25OFF at checkout when you spend $100 or more.*
Coupon Special Terms
Cashback is not applicable to any sales made using Groupon credit or any other form of third party promotion.
The final basket value after discounts needs to be $120 or more to be eligible for the Cashback rewards.
Woolworths Gift Cards are a valid form of payment.
Enter code WK25OFF when you spend $100 or more and purchase any participating Christmas treat. Minimum spend of $100 excludes any other coupons and/or discounts and delivery charges. $100 or more must be spent in single transaction. Offer valid for orders delivered or collected from 00:01 AEDT 14/12/2015 to 23:59 AEDT 24/12/2015. Offer valid only once per shopper during the offer period. Offer cannot be used in conjunction with any other offer. Orders may be cancelled by us without notice to you if the above terms and conditions are not adhered to. Excludes Delivery Saver, flowers and tobacco items. Offer can only be redeemed at woolworths.com.au. Available delivery and collections times will vary between areas.
But let's be honest, if you're not a member you're ozbargaining wrong. Do you even eneloop?