QBO does not have that option

manually change the total cost of the item to include a portion of inbound shipping – when you click or tab out of the total cost block QB will do the per item rate for you

Resolution for 'add vendor issue: 'How to add vendor shipping cost to a purchase order and be able to spreed evenly to each item?' available: Yes.

The add vendor issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the add vendor issue yourself by looking for a resolution described in the article. If it is a complex add vendor issue or you are unable to solve the issue, you may contact us by clicking here or by using other add vendor support options.

For more information about resolving issues related to add vendor in Quickbooks/QBO or to get support for the issue 'How to add vendor shipping cost to a purchase order and be able to spreed evenly to each item?', click the link below: