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. NOTE: This is not a contract of sale document.Discover why successful commercial real estate investors use a letter of intent when first making an offer on commercial real estate and how you can too! Discover an impactful sample letter of an offer to buy property. Show sellers your genuine interest and secure a dream property. In this video I'm going to go over and define what a letter of intent or an LOI is and how to use it effectively. Make your opener as personal as possible. Here are house offer letter samples to win a bidding war. 3 examples to use as a reference point. The purpose of this official letter example is to enable you to express your interest in the property in question.