Update 3/23/21: Extrabux has changed the rates available for Slide. You can still earn 8% cashback (or 10% if using a Cashback Boost Card), but only as a new Slide customer. After your first purchase you'll earn 2.4% cashback (or 3% if using a Cashback Boost Card). That means you'd be better of clicking through from TopCashback as they offer 10% and 3% for new and existing … [Read more...] about (Update: Rates Changed) ExtraBux: Earn 8%-10% Cashback On Slide (Up To 15% Total Cashback + Up To $40 Bonus Cashback)