An Offer to Purchase Real Estate sets out the terms of a proposed real estate deal. Create yours now with our free form.Craft a winning house offer letter with our customizable template and tips. There is an art to writing offers that get accepted. Discover some of the necessary sample letters needed for every property transaction below. You can also see more on Real Estate Letters. My main focus is to show you car forms and how to get into that system and how to create a transaction. Daily emails and text. There's no onesizefitsall approach when writing an offer letter for a house. This template is used when a client's offer has been accepted.