A For Sale By Owner contract Nevada must include: 1. The Purchase Price, 2.A Nevada purchase agreement is a legal document that outlines the terms for the sale of real estate between a seller and a buyer. A prospective buyer can use this form to submit an offer for the seller to accept or counter. 5) You need to complete the purchase agreement contract on your own or seek advice from a licensed Realtor or a lawyer. Nevada requires those selling FSBO to fill out and file many documents and forms. Several of these documents are legally binding agreements. Describe any property that will be included in the sale. This would normally include all fixtures on the house.