This fill-in-the-blank form can be used to change or extend inspection, signing, financing or other dates contained in a signed real estate contract. I wanted to walk through the basics of putting together an offer for you today.This will be the first thing that a seller looks at in the offer letter, so consider carefully how much you want to offer. Utilize a Letter of Intent (LOI) to initiate negotiations for a sale, summarizing the terms of a forthcoming contract agreement. The Offer to Purchase is a critical part of the Massachusetts real estate transaction process, laying the foundation for a successful sale. Find forms you may need as a real estate professional in Massachusetts. How to fill out a basic Listing Agreement. Indicate the date and time of possession, which is when the buyer will take possession of the property after the sale has been completed. And the ones who just care about a transaction completing are not in the business very long. If the seller doesn't make certain repairs, can I back out of the sale?