(Sigh) it is not in the qbo version (yet). You can enter a line with a dash or something so it stays in place for you. But you cannot add an empty line.
Resolution for 'between items issue: 'How do I add space or lines between items on Estimates and Invoices?' available: Yes.
The between items 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 between items issue yourself by looking for a resolution described in the article. If it is a complex between items issue or you are unable to solve the issue, you may contact us by clicking here or by using other between items support options.
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