Well, you need to first study a lot of information before you start your business because there are several of you, each of you can study different areas, some pricing, some advertising, and so on, and then I think you'll be all right. About financing, you can read this article: https://thelazytrader.com/articles/posts/how-to-get-capital-for-a-business-top-ways-to-build-capital/ . It fully describes all the processes of financing that can be done, I think it will help you.