This is all about your ability to negotiate. “Bob, I’ve been thinking a lot about you offer, and I’ve sought advice from people I really trust. I’d like to tak

This is all about your ability to negotiate. “Bob, I’ve been thinking a lot about you offer, and I’ve sought advice from people I really trust. I’d like to take you up on that offer, however, I’d like to propose we discuss how to structure this.” Then you ASK him, what were your thoughts. This requires him to show his hand. Which gives you information on how to respond. Then he will say what he wants, and this is where you counter. But I recommend you start high and whittle down to your actual goal of retaining 10%