Those use credit cards often, you can get even more cash back by using these passive credit card stacking offers to double/triple/quadruple dip on cash back. Unlike Mr. Rebates or Big Crumbs, there is no click through. Simply sign up and use your credit card like you normal would. Here’s the following stackable sites:
1 . Envaulted
2 . Offermatic
3 . Upromise (iDine/Rewards Network}
4 . Corporate Perks
5 . aadvantage shopping mall
6 . UnitedAirlines mall
7. thankyou.com or https://www.bankofamerica.com/additup or www.VisaSavingsEdge.com or www.MasterCardEasySavings.com or AMEX:www.Open.com
8. Mastercard Marketplace shopping portal (coupon codes)