What a great idea. It sounds like you have the welfare of the animals covered. I guess I would suggest taking some business classes in school. Not very exciting, but it could give you info on how to deal with people and finances. Because, for it to be successful and for the animals to have treatment, it's going to take money. So, that means you have to deal with people and banks, etc. Maybe a class in running a small business? It would help you write a business plan on how you're going to make it all work. Even if your animal sanctuary is a non-profit, learning about fund raising, donations, grants, special programs for spay and neuter could be helpful.