Howto add 20 or more line items to an Invoice

On the main client view, you tap or click on “Invoice”

At the top of the Invoice display, you tap or click on “New Open Invoice”

Choose the Invoice date and add the first few line items.

Then you save the Open Invoice and under the  “View Open Invoices” you open the Open Invoice

Then you repeat and add additional line items, untill you have added as many line items as required