What are the different type of invoice templates available and when should I use them?

When you select ‘Create Invoice’ you will reach the page that allows you to create your invoice.
On the top towards the right is the ‘Invoice Template’ tab
The five templates available are Professional template, Service template 1, Service template 2, Fixed fee template and Product template
Depending on the nature of your invoice you can choose a template accordingly
Professional template: General template that can be used for many type of companies
Service template1: Used by companies that provide services
Service template2: Used by companies that provide services
Fixed fee template: Used by companies who work on a fixed fee basis
Product template: Used by companies who sell products