Mike,
No I meant Buyer. Let me expand more and rephrase.
Say I have a contract to buy from a Seller for $55,000. I find a Buyer and tell him $60,000 but he says the most he can pay is $55,000. Now I need to renegotiate with the Seller in order to make any money on this. What steps do I take to cancel the original contract to buy? Do I just modify the price and get everyone’s initials? Or does this require a new contract?