Sure, but you hire professionals to perform and inspect this work, and at the end, have a local official verify the work has been done. Your example really str

Sure, but you hire professionals to perform and inspect this work, and at the end, have a local official verify the work has been done. Your example really stretches the analogy as buying/renting a structure is not at all similar to trying to get a stranger to build a core product that you can't maintain.