Is This Sale Actually a Good Deal?

For "Was $100, now $80!" — is that really a deal? Use the calculate mode: 20% off. Compare to typical sale percentages in that category.

For Black Friday and Prime Day, retailers sometimes inflate "original" prices to make discounts look bigger. Calculate against MSRP to verify.

For "limited time" offers, the calculated % off helps you decide if it's worth rushing or you can wait for a better sale.