You may call that shaving too close the margin of safety.

But the Happy family did not worry over that--seeing there was a margin of safety.

Nor did they worry over the outcome of the matter.

With the Homeseekers' Syndicate in extremely bad repute, and with fully half of the colonists homeless and disgusted, why should they worry over their own ultimate success?
They planned great things with their irrigation scheme....

I am not going to tell any more about them just now.