I know how to milk snakes, and I heard it is like a thousand dollars a vial from drug companies. Want to buy some and I’ll give you a better deal?”

That is a really kind offer, and thank you for thinking of us. But no, we do not have a shortage of most kinds of venom; and scientists commonly want to examine the animal and oversee venom collection themselves in order to be as consistent as possible with how it is handled and stored. The prices you have heard about are probably for ANTIvenom, not venom. Drug companies use venom as one of the starting products in manufacturing antivenom.