Send a For Sale By Owner prospecting letter to neighbors in 3 simple steps. Learn how to generate leads for your FSBO campaign.An Offer to Purchase Real Estate sets out the terms of a proposed real estate deal. Create yours now with our free form. Step 2: Purchase Price. 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. Address. City. State. Zip. County. Permanent Index Number(s) of Real Estate: ______-______-______-______. The Real Estate is vacant and unimproved. A land purchase contract outlines a transaction between a seller who agrees to sell raw land to a buyer for an agreed-upon sales price. Get a comprehensive understanding of Illinois real estate purchase and sale agreements with our indepth overview and free template.