Interesting theory, T'Girl
. A truly novel and exotic idea.
I could see something like this working in the world of TOS. However, I suspect our enlightened heroes of later Treks--where toasters are granted "sentient being" status and mass extinctions of whole civilizations are preferable to "interfering with the course of nature"--would probably be aghast at the idea of using living beings for something as declasse as actual commerce.
Then again, since latinum is
primarily used by the disreputable Ferengi...