When Roberto Dillon began collecting retro video games more than 12 years ago, he scoured auction sites and connected with niche groups of hobbyists to amass a personal archive that is now hundreds of titles strong. But at the time, there was a consensus among collectors that buying old games was "a sort of fad," said the academic and game developer.
source https://www.cnn.com/style/article/most-expensive-video-games/index.html