Some sites and apps will give you cash back for shopping online and in brick and mortar stores. These programs are free to join.
An application for Apple or Android users allowing you cash back when you shop online, submit a receipt or link a store loyalty card.
Receipt Hog rewards its users for taking photos of their grocery store receipts and submitting them to the application
Users can earn 10% cash back with Good House Keeping Pro Shopper at over 1,000 stores you already know and trust, plus save on shipping charges on all those orders — and on return shipping charges if they choose to return their purchase.