There are following below steps to create custom module  to add or update tier price in Magento2 Here, we are considering asNamespace / ModuleName = Mage2db/John Magento 2 Custom Module Step [1.1] – Create registration.php file under your module [ Namespace / ModuleName ] File Path=Mage2db/John/registration.php Add below content in this file. Step [1.2] – Create module.xml file … Continue reading How To Add Tier Price in Magento 2.x Programmatically