I guess what I'm looking for is some advice on how to partner with them for money. I'm not sure what's standard and what's rude. Or how a % of the company would get paid out. These aren't questions I want to ask them.
Something along the lines of "Hey, I think this is a really amazing service and I believe it's going to be very successful. I'd really like to talk to you about making this a partnership instead of just being an employee. Here are the ways I think I can really contribute to the success of this thing..."