Why would you need to be close to a city?
The entire business would be shipping based. Buy cheap laptops off eBay, install Linux, call up halfway houses and sell them the laptops to teach the addicts tech.
I know there has to be a government grant for this.
That really sounds like something I would need a partner to work with, because I am not a people person. Teaching normies tech is hard enough. Teaching a recovering meth-head how to use it would drive me up the wall.
teach
I apologize for using that word. Just include a printed out document telling them how to access Khan academy for further information