I don't know about hiring other people to work on it... good people will cost you and bad people will cost you even more. However, there is another alternative if you can split your design up into infrastructure and core technology; open source the infrastructure.

Obviously, the first step is to use as much existing open source code as possible, but a lot of companies will also need to do some custom infrastructure on top of that. These extensions can be a distraction, so if you can leverage the open source community to help develop/maintain them you will eliminate a huge time sink.