I wish I knew more about raising and breeding exotic snakes. One of my renters is infatuated with them. I have heard it can be quite a lucrative business.
You could try shrimp, I have plenty lol.
Ball Python morphs can be big bucks.
Boring little brown and black snakes are hiding infinite recessive and dominant genes to make wild colors and patterns and people devote years to testing out which boring snake is hiding the next new crazy thing.
They’re like God’s ginormous Crayola box
http://www.worldofballpythons.com/
I remember seeing the first pied Ball Python at Repticon and it sold for $25K