The key issue in terms of security of tenure for tenants is affordability and what is essential is to guarantee that there is a plentiful supply of rental housing at every level of income. If tenants have the ability to move into better property and others into poorer property, they do not need guarantees of security beyond basic rights. Such basic rights include being given adequate notice, not being forced out physically and not being ejected outside the terms of any contract that has been established with the landlord