The price lists tab will allow you to view existing price lists which you can edit/delete, or add new price lists.
A Price List is a collection of prices for a set of products that determine how much accounts are charged for the products they order, through their chosen distributor.
Adding a product to a price list does two things, firstly it affects the visibility of a product in an order and secondly it affects the list price of the product in an order.

Flexible Pricing

Flexible pricing allows the users of the app to adjust the sale price on a product.

Once a product's sale price is overridden using this feature, it will be excluded from all applicable deals until the sale price adjustment is removed.