Reef aquarium people will pay $325 for a coral the size of a fist. The market is almost entirely wild-collected imports with unpredictable supply and heavy mortality. One lawyer in Ohio has been growing them in a greenhouse since 2002 and selling the exact animal in the photograph.

When a pet dies at a vet clinic, somebody has to handle the body, and the clinic very much does not want it to be them. One couple in Texas turned that into a pickup route across twenty-five clinics. The interesting part is who the customer actually is.

He started growing mushrooms in a spare room with $300 of straw and plastic. The interesting part is not the margins, though they are good. It is that a little over $1,000 in documented sales turned him into something the federal government will lend money to.