Editing Custom Expense History
This article will explain how you can edit the history any type of recurring custom expense (operational, fulfillment, marketing, etc.).
Navigate to Settings
Click Costs
Select Custom and Variable Expenses
Go to the expense you wish to edit its history and click the history icon (clock) on the right
Hover on the expense history instance you'd like to edit (or delete)
Click on edit icon to edit the expense history instance's amount or click on the delete icon to delete the expense history instance
Click Save
Deleting Custom Expense History in Bulk
To modify an amount in bulk ,the best option is to delete the expense an recreate it with the new amounts.