If bettors can make money with it, they will for sure use it. But I think it is very time-consuming to keep it up to date or maybe you can develop APIs, if they not already exist. Good luck!
I have an automated system to keep the data up to date.
So, I think I'll just start working on it.
I had a thought about blogging the process of making the site.
What is the best section in this forum to put up such a blog?