You are NOT using a realtor. Whenever I come across a listed property I want, I ALWAYS ask one of my realtor friends to write an offer for me.First, you will want to have all your financial documents in place. An effective home offer letter focuses on the positive traits of the house. Making a real estate offer? Learn how to make an offer on a house that will stand out among other offers, even in the hottest markets. Buyers: How to make an offer on a house. — Sellers: How to accept an offer on a house. Follow our tips on crafting customized house offer letters that accurately reflect your client's enthusiasm and financial readiness to purchase the property. The first step in making an offer on a home is to decide how much you're willing to pay for the property.