Rakuten is the best platform to earn cashback while shopping online worldwide. In fact I received up to $100\%$ cashbacks after doing a number of online shopping.
Each year, during thanksgiving and Christmas, Rakuten provides the $40$ dollar cashback offer if you shop something from selected stores with minimum $40$ dollar. Last year, I bought a Nike shoe and received the $40$ dollar cashback.
If you want to earn $40$ dollar cashback after spending $40$ dollar on selected shops, just sign up using my referrel link:
Apart from the current offer, you can always get some cashbacks if you have a Rakuten account. For example, these are the current offers in selected shops:
Have a good day and shop unlimited during this holiday season.