Figuring out Referral Fees in NY

Hi All,

I am at the beginning stages of REI. I currently live in NY State. I would like to start out as a bird dogger generating leads for wholesalers and retailers. 2 questions:

1.) Do referral fees vary from state to state?
2.) How would I find out, what the going rate is for referral fees in the tri-state area? And if it does vary from state to state, in other areas?

Thank You in advance for any and all responses.