On making insulin:
How to Make Homemade Insulin - book on Thriftbooks $23.00 for a little while until it sells…I was going to purchase it but I can leave it there for you.
It would be better for you to perfect this now. Also, cheaper and you have control over the manufacturing process. Plus, EVERYONE is going to try to keep you alive in their community if you know this. Chemists and others with pharmaceutical skills will be in high demand. This is why I am learning BioChem now.