Digital makes the experience better while things are supported. But you must buy all the games you want before they're delisted or the shop closes.
The vast majority of physical releases are available on secondary markets at reasonable cost. There are a small number of games that are very expensive because of supply and demand, though... but that's better than not having any option other than a time machine to get games like NFL Blitz and Daytona USA for xbox 360.
The vast majority of physical releases are available on secondary markets at reasonable cost. There are a small number of games that are very expensive because of supply and demand, though... but that's better than not having any option other than a time machine to get games like NFL Blitz and Daytona USA for xbox 360.