While it may be called an offer letter, it is a legally binding agreement. A clean, well written offer with good communication is very important to the sellers and the listing broker.Address the Seller and Introduce Yourself. We're talking about how to write an offer to purchase a home all right so how do you structure your offer to make sure that the seller accepts it. Seller shall sell to Purchaser and Purchaser shall purchase from Seller condominium unit ​______ located in Mecklenburg County, North Carolina, with a street. Make your opener as personal as possible. 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. Find Local Rules and Forms that provide procedures and guidelines for courts in Mecklenburg County. 3. Point out the home's attributes. They must fill out all required fields.