Focus on three things: State your intentions, show that you have the financial means to make the purchase and make a personal appeal to the seller. Your letter should explain why you're interested in buying the house and include details regarding your mortgage financing and expected closing date.This is going to be how to write an offer specifically pulling the documents needed from fmls which is one of the MLS systems here in Georgia. Understand the components and details you need to include to write a real estate offer letter and use our free template to get started. Georgia Free Letter of Intent ( LOI ) Template. Utilize our Letter of Intent to formally express your desire to buy a product or service. Here are house offer letter samples to win a bidding war. 3 examples to use as a reference point. What to include in letters of intent to purchase. Name and contact information of the buyer.