INTRODUCTION: These guidelines are provided to assist Brokers and attorneys who are completing the Offer to Purchase and Contract—. INTRODUCTION: These guidelines are provided to assist Broker and attorneys who are completing the Offer to Purchase and.A clean, well written offer with good communication is very important to the sellers and the listing broker. In this video we're going to go through the north carolina offer to purchase and contract you'll complete as a home buyer. When making an offer on a home in North Carolina, you'll need to provide two deposits: the Due Diligence Fee and Earnest Money.