Optionor desires to grant to Optionee an option to purchase the Property (the. Part 1 of this Legal Guide explains RTO transactions and what you (the renter) need to understand before you sign an RTO contract.A lease agreement will include an option for the tenant to purchase the leased property during or at the end of the term of a lease agreement. A unique application of customizable commercial real estate contract templates, including Purchase and Sale, Lease, and Listing agreements. A form of option agreement is a document that allows an option holder to buy or sell the security at a predetermined price, called a strike price. Whether you are a business buyer or seller, contact San Diego Corporate Law for a consultation to discuss your business sale options.