Prospective buyers can use this form to submit an offer for the seller to accept or counter. Real estate offer letters can be in the form of a pdf file, template file, sample, or form.You can use our free, customizable Minnesota Real Estate Purchase Agreement template to adhere to state laws. When you write an offer, you should be prepared to pay a small deposit. 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. Customize and Download this "Buyer Offer Letter". You can explain (respectfully) why and also mention your mortgage preapproval. It's also good to point out where you can be flexible. In Minnesota, a buyer who wishes to purchase a residential property must use a legal document known as a purchase or sale agreement to propose the deal. Real Estate Agency Disclosures, Inspection Checklist, Sample Purchase Agreement.