I want to write a letter that is compelling. My realtor says he's not allowed to attach letters to offers because he can lose his license.Follow our tips on crafting customized house offer letters that accurately reflect your client's enthusiasm and financial readiness to purchase the property. Your agent will deliver the offer to the seller's listing agent. This often happens via email, but can also take place face-to-face. 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. Learn how to write a house offer letter that will be sure to make you stand out from the competition. Consider the pros and cons of writing a house offer letter in real estate transactions. Learn when to write a letter and when to avoid one. Often, the key to writing the best offer letter is finding a way to connect with the seller on a personal level.