It is a lot like buying a house that's already been remodeled. Someone else has already gone through the stress and taken all the risk (e.g. going over budget,

It is a lot like buying a house that's already been remodeled. Someone else has already gone through the stress and taken all the risk (e.g. going over budget, not finishing, etc). Rather than doing R&D in house and pouring money and effort into projects that may never see the light of day, you can buy companies that are already seeing some success.