I'd like to hear comments on how to make my offer more attractive. Learn how to write an offer letter for a house with tips, examples, and strategies to stand out and win over sellers.This guide will walk you through the paperwork for selling a house without a Realtor and various other steps that can give you a leg up. Here are house offer letter samples to win a bidding war. 3 examples to use as a reference point. We have a stepbystep guide with some tips from the professionals on how to buy a house without an agent. In some places, you have to fill out a form, not write a letter. 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. Have the seller fill out listing paperwork with all the details pertaining to the property. They are free to come up with whatever deal they want.