Why should I provide code that is at least 50% off?

The code you provide on Vipon should be at least 50% off.  Why? 

Vipon community has a large number of shoppers who are eager to try new products, share their experience with friends and families . A product with 50% off or more make them more likely to buy your product and leave a review on Amazon （although they are not required to) and help boost your sales & rankings.