Cash back rewards allow Betterment to offer Checking users cash back on purchases with thousands of merchants. If you have an activated Betterment Visa Debit Card, you’re automatically eligible for cash back rewards. Cash back offers are automatically applied to your account. You can find current Checking cash back offers in the Earn Rewards section of your Betterment account. Eligible when using your Betterment Visa Debit Card. Cash back merchants and offers may vary. You’ll see rewards, ...