Moved to Forum: Original Link(shopback.co.nz)
RSP $799.
First register a dosh card which gives you 1% cash back on purchases under $1000.
Use dosh card to purchase shop back JB-hifi or Mightyape gift card that is another 2%
Currently as mentioned in other posts, there is a gift card campaign event spend $50 and you get $5 back.
That is total: $29 off RSP + new user $10!
If you are new cash back user you get another $10 by entering referral code.
ask friend to buy tax free from the airport?