Walgreens cashier who used her last $20 to pay for customer’s items inspires neighborhood to pay it forward | khou.com September 29, 2020 by Leo Cashier Rita Burns (left) paid for a customer who forgot their wallet. That customer shared the story on Nextdoor where neighbors are raving about Rita. Source: Walgreens cashier who used her last $20 to pay for customer’s items inspires neighborhood to pay it forward | khou.com Nice.