I have no idea. I just experiment a little now and then to try to see if I can get WA to solve a particular problem. I have a small list of things that I think I've figured out to try to do that.
If I were you then I'd put together a list of half a dozen of the biggest problems that you expect WA to solve for you and contact support, show them that list and ask them whether premium version, or any version, of WA would consistently correctly solve problems like those.