As a freelancer doing exactly this for nearly a decade now I wholeheartedly agree. Freelancers also tend to know other freelancers who are used to laying the tr

As a freelancer doing exactly this for nearly a decade now I wholeheartedly agree. Freelancers also tend to know other freelancers who are used to laying the tracks while the train is running, and can usually get a high quality team together real quickly. Downsides are that you don't really retain any of the expertise in-house, unless you also staff up internally and do a proper handover.