Well, if you're planning to provide value for only 5 years, then it's not a failure to shut your doors after 5 years. One example of this is the technology cons

Well, if you're planning to provide value for only 5 years, then it's not a failure to shut your doors after 5 years. One example of this is the technology consulting firms that help companies maintain and transition off old technology such as Token Ring networks, FORTRAN, Y2K, etc. The companies know they won't be able to do it forever, but they don't have to do it forever.