It's just a start. During the time when I've said I'll call back and the time I actually do call back, I'll be making other calls to find out what I can legitimately ask for and expect to receive. What changes on the boilerplate contracts are most likely to be accepted. As a result, perhaps my first book won't be tied up until the millennium. Heck, I might even call a carefully chosen agent so I can be assured that my first contract will give me the best terms possible.
Big waves can start with small splashes.
I don't pretend to have all the answers, or even any answers. I do know that if we don't work together on this, then we'll all suffer the consequences. Published authors, talk to your almost published friends. Find out what they know and educate them on what they don't know. Offer to speak to local chapters about the business side of writing.