As a landlord, it's vital to understand all your sitting tenants' rights before selling a house. The most important thing is to follow the terms of the lease agreement and not force the tenant out when they have a legal right to be there.Selling a home in Chicago can be a complex process, but when you have tenants occupying the property, it adds another layer of complexity. The most important thing is to talk to your renters openly. Tell them straight out that you want to sell the house and keep them up to date on the process. (a) Notice prior to listing required.