It's not illegal in Toronto. https://www.thestar.com/business/real_estate/2011/02/12/the_... My mistake. Sublet rental amount cannot be > leased rental amount. I didn't know that. Good to know. Does the landlord have recourse if this can be proved?

I'm surrounded by law-breakers then. https://www.kijiji.ca/b-short-term-rental/gta-greater-toront...