Web4 | the ontario renter’s guide 1. Top ten tips for ontario tenants 1. Only provide deposits that landlords are allowed to request. When you are entering a lease. Webthe landlord can raise your rent if he gives you 30 days notice in advance. If you have a written lease, you can fix the rent at a particular price for the amount of time the lease. Know the limits on deposit amounts and the timeline for refunds. Understand the terms and conditions before signing.