Sign up, Spend $4 at 4 Stores & Get $10 Back @ Pyng

Spend $4 at 4 stores to get $10 back

Can be stacked with referral reward - spend $10 get $10 back

1st transaction - spend $10 (to get referral reward)
2,3,4 transactions - spend $4 x 3 =$12

Total spent $22 - get $20 back straight in to your account.

Accepted at limited places, but some good coffee/food discounts if you are lucky to find a place near you.