Free Benefit Mini after cashback (100% cashback up to £13.45 spend) 1) Click on the link and sign up to TopCashback. 2) Click on the ‘Get Cashback’ button, this will take you to Benefit’s website. 3) Make a purchase as you would normally. 4) After your purchase, you will see the cashback in your TopCashback account within 14 days*. Once payable you can withdraw the cashback to your bank account.