CINCINNATI — If you've ever stood in the grocery checkout line wondering why your digital coupons didn't work, you're not alone. That's why I put together this guide based on your concerns to help you ...

Consumer Reports shows how to use digital coupons, apps and loyalty programs to boost grocery savings and warns about data collection and surveillance pricing.

How to use digital coupons to maximize savings | Consumer Reports ...

Walmart accepts paper and print-at-home manufacturer coupons that scan, aren’t expired, and match the exact item (size and variety). Follow the limits. One coupon per item and they limit you to four ...