You cannot post a property on a Multiple Listing Service database — more commonly known as MLS — without the help of a real estate agent who has access to this system.
Known as “mere postings,” some agents post listings on MLS under limited-service agreements. Although they can do so without providing extra services, or representing your interests, agents are still obligated to ensure that any information presented in the listings is accurate. Having said that — and while selling a home privately is certainly your choice — I would like to flag that selling your own home is a substantial undertaking that requires significant time, effort and expertise.
All agents in Ontario have to be registered with the Real Estate Council of Ontario to trade in real estate. Before applying for registration, they must complete a comprehensive education program and pass a series of exams. They must also comply with a code of ethics.