Refer a friend
Refer btwn friends to the business you like. You'll earn 10% of your friends purchases.
Split a bill
Split a bill with btwn friends at a restaurant. The first person to be charged becomes a referrer and collects cash rewards!
Collect one stamp per visit from your favorite vendor. Unlock additional cashback every set number of stamps.
With other rewards programs
The more the better! You can use btwn along with other reward programs you like.