One of the older low impact zero effort saving method.
Add your credit card to yelp and every time you pay at a venue that offers Yelp Cash Back you’ll automatically get a cash back, usually, 5–10%,
paid once a month back to your credit card.
Now you can start chasing restaurants (and shops) offering Yelp Cash Back or you can do nothing and just collect occasional cash backs.
The service is pretty straightforward & customers friendly, now let’s hope Yelp engineers will take care of our credit card data responsibly.