Custom guide that should explain us all the setup and infrastructure tools we need for a VPN Client project.

Hi, i would like to know if you can help us with our project!? We have a idea to setup and start providing our own VPN software to public internet users for daily general use, a similar service like [login to view URL] or [login to view URL] ''//We are looking for a guide that can explain us all the setup and infrastructure tools we need on this project, This guide must include: Explain us What technology, protocol, softwares(SoftEther, openvpn,...) are available and kind of server we need in this project. Explain us what infrastructure we need to setup at first to provide more locations in our software as we grow without or with minimum restructuring all over again by that time. Explain us all the setup and running average cost(software and/or licence cost, server cost and...) from first days to the time that we might have large number of client base. Possibly fully explain us what infrastructure, software and technology other service provider([login to view URL] & [login to view URL]) are using. How much is going to cost us to develop our own custom client vpn software, also our own client app for windows, ios, android and mac on next step. Explanation of possible revenue streams over this business including affiliate(important), in browsing ads(similar Hotspotshield) & premium version sale. Any other necessary details we need to know before starting this project.//'' Future business will be considered as well. Thank You.