“It works, but only for the line above”

It isn’t clear where you are doing this, but in general:

You seem to be describing “an item that calculates.” Yes, they only calculate on the line above them. So, use a Subtotal, like this:

Item 1

Item 2

Subtotal

Discount or Markup Calculating Item (still only calculates […]

Resolution for 'adds item issue: 'How do I charge an O&P that adds item lines above and charges a percentage. Now, it only adds the percentage of line directly above instead of all lines.' available: Yes.

The adds item 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 adds item issue yourself by looking for a resolution described in the article. If it is a complex adds item issue or you are unable to solve the issue, you may contact us by clicking here or by using other adds item support options.

For more information about resolving issues related to adds item in Quickbooks/QBO or to get support for the issue 'How do I charge an O&P that adds item lines above and charges a percentage. Now, it only adds the percentage of line directly above instead of all lines.', click the link below: