Three-way Wholesaling Question

[Account Closed]

I just read about how to perform a three-way wholesale deal and I'm intrigued, but I'm not understanding how the contracts would be structured for such a deal. From what I understand the seller sells to a wholesaler  and the second wholesaler offers to find a buyer for the first wholesaler. The second wholesaler find a buyer and asks for a little more that what was negotiated with the first wholesaler. The buyer completes the transaction and the wholesalers are paid, the second much less than the first. How would the contracts work for this deal?