Using cash back apps in conjunction with cash back credit cards and coupons can save you thousands of dollars a year. I personally have used almost all of these and ill vouch for all of them
Swagbucks more of a rewards then a cash back back site but it has the same elements. They have great offers up to 9% cash back i believe but generally about 4 percent. Also if you want you can take surveys on this site and sometimes they have offers where you get paid to order items, occasionally the pay is higher then the cost
Honey is a browser button owned by PayPal. They offer “HONEY” the site wide currency, for each purchase generally pays 2-3%. This can be stacked with other sites and apps and cash back credit cards.
Rakuten used to be Ebates but it changed owner ship. Any site you can think of rakuten offers cash back for every site you can think of. Also when you sign up you get a $10 bonus
Check out 51 pays great but only for specific items. Most locations have offers available but it only pays you to purchase certain items but its generally 25% to 50% cash back