We earn giftcards. paypal payments from these money savings apps. Usually done at home after grocery shopping. Some others take gas stations receipts or other restaurants an dstore. So save those receipts and remember to upload them!

Fetch app

https://referral.fetch.com/vvv3/referralemail?code=Q7TBD

Upside app
This free app gets you cash back on gas! Use promo code SHADOW29327 to get an extra 15¢/gal bonus on your first purchase. https://upside.app.link/SHADOW29327

Receipt Hog app

pays you to upload receipts, take surveys, and more! Download and enter code fay43058 to earn a special bonus when you upload your first receipt. https://app.receipthog.com/r/fay43058 

Some of them check your emails for items you bought online (e-receipts) like from Walmart

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