amazing story, but in your position, i actually dont thave any advice. I legit dont know what i would reccomend. People dont want to sit in linux terminal. maybie this is the time i would say wallet of satoshi and then every closing to send it to phoenix. We need something reliable but most people will not manage online cloud server. 

we need magic FOSS app for merchants that just works and is self holding 

 merchants need great bitcoin experience