a rental agreement is a document that acts as a contract between you and your tenant, defining the terms of the tenancy. a rental agreement is a good idea if you want to make sure your tenant is reliable or if you’re renting a room in a house in which you’re living. it’s often helpful to have an attorney prepare a rental agreement for you, even if it’s just a one-page document, especially if you’re a first-time landlord. the rental agreement provides an easy way for you to get them to move out and shows what they’re responsible for if they don’t leave voluntarily. wondering whether you should be renting out your property by using a lease agreement or a rental agreement? being informed when you are a renter allows you to know your rights and stand up for yourself when necessary.