Just make sure you know the market value. You do not want to leave money on the table. You can also list the property with a REALTOR an put a clause that you will not pay a commission if your tenants buy the property. That way you increase the chances of getting multiple offers.... more
All you have to do is list your property with a real estate agent and he/she will do the rest. Real estate agents will often only show homes listed with other agents and most websites requires the property to be listed with an agent in order to show up.