I'm a software architect for a retailing company who is just a few years from retirement. I keep thinking I'll open an arcade when I retire, but it would need to make enough to be at least self supporting. I learned my pinball repair in reverse time order starting with a late 90's SS game moving backwards through the 80's, 70's 60's and even a 1955 PNB. It's fascinating to see how fast the technology evolved and am sure we can't imagine what this hobby will be like in 50 more years.