The running of the thing once it exists: what legal shape it takes, what you stop doing yourself, and how to grow it without the whole business depending on your own hours.
The six systems a one-person business actually runs on, how to set them up in an afternoon, and a one-page operations map to fill in.
Everything scattered across the site, in one download, kept current.
The three tools on this site ask for nothing and never will. This download is the exception, because it is the only thing here that has to be kept current: the benchmark is repriced every quarter, and a stale price is worse than none.