Your letter should explain why you're interested in buying the house and include details regarding your mortgage financing and expected closing date. INTRODUCTION: These guidelines are provided to assist Brokers and attorneys who are completing the Offer to Purchase and Contract—.Here are house offer letter samples to win a bidding war. 3 examples to use as a reference point. A clean, well written offer with good communication is very important to the sellers and the listing broker. It's incredibly difficult to write a convincing letter that doesn't violate fair housing. INTRODUCTION: These guidelines are provided to assist Broker and attorneys who are completing the Offer to Purchase and. If they don't accept the offer then it is something the buyer could claim is a fair housing violation. Your offer needs to have deadlines, and the schedule should be negotiated and laid out in your purchase contract before you make the offer. Q:I have found a home I am interested in buying.