Login to your Billbooks reports.

On Dashboard, left navigation pane, head to Invoices tab, either click on the + sign or click on the Invoices tab.

You can see + New Invoice button, click to create invoice.

Go to the Invoices tab, in case of new invoice, click on + New Invoice while for existing invoice, click on Edit, present on top corner.

You can either set a flat amount or discount percentage on an item by clicking on the discount amount. Once set, click on apply.

The discounted amount will automatically get generated.

Yes, it can be changed. Go to the Invoices tab on the left navigation pane of Dashboard.

Either click on the dropdown of an invoice whose number you want to change or directly click on the invoice, you’ll find Edit option in both the ways.

Click on Edit option, change the number and. click on Save.

Click on the Invoices tab on left navigation pane of Dashboard.

Hover on the invoice you want to print and select Print option from the dropdown.

Another way to print is, click on the invoice, the Print option is located on the top right corner of the page.