Now you have three different squeeze page template. It is important you do a testing between different type of squeeze page template and get the template that have the highest conversion rate for your products and services. Landing page is a valuable asset of your web pages, so it is critical for you to build it in the correct way.
There are many ways to handle the invoice process. There are many billing softwares out there. Some of the are free and with limited functions and others cost a lot of money but have all the tools you need to run a small business integrated.