To create a task using Bulk Product Edit, please follow the steps listed below:
Step 1: Open the sidebar, and select the parameter you are seeking to edit (price, cost, etc).
Step 2: Select which products to target using filters. For example: All Products
Optional Step: Click the Preview button to make sure you selected the right products
Optional Step: If you have selected a variant level parameter, you will have the option to select variant level filters.
Step 4: Select which edit you would like to make. For example: Adjust Price by Percentage
Step 5: Click Start Bulk Editing