You either have to learn very advanced, current security stuff and completely understand the logic of Linux security or pay significant sum to a person who knows to do criminal things on any Linux or protect your private life. Windows? Multiply time& money by 10X. Unless you are Fortune 500 or a government you aren't getting the source anyway.
I am telling it to people who will install any ISO blindly paying significant amounts of cash to VPN services with their own credit cards and access their Gmail :-)
I keep saying that commercial, money making clients should donate 10% of their profit (or living money) to the server their user chooses. This is how FOSS services will survive.