Where are the best websites to advertise sfh rental properties online for free?
Zillow's network and Craigslist
Zillow and Craigslist are going to be the most frequently mentioned, followed by Facebook marketplace.
I mean, without a question, you only need the ones already mentioned. - Zillow and Craigslist
but if you are looking for more- Cozy and Apartments.com are great resources as well.
@Horacio Gutierrez Zumper, Zillow, Craiglist I think and I use Tellus app to help me post my listing.