Woocommerce Book Price is a free plugin that allows you bulk update price of product without update one by one. Built to integrate seamlessly with WordPress and Woocommerce, Woocommerce Book Price provide feature: – Create / Update / Delete Price book list. – Base on book start date and end date , check the product and increase suitable price. – No effect to original price of product. – Simple , easy manage by csv import, – Working good with plugin Openpos – Point of sale plugin for woocommerce with multi outlet Here’s a link to Demo