You gotta "create it". Very few are advertised. Do this:
1. Get a list of homes for rent in your desired area/price range.
2. Call and ask: "Will you take a long term lease that ends with an option to buy?"
3. Some will say: H. NO!
Some will say: Maybe, please explain.
Some will say: H. YES!
I’m in So Cal. Hire me, if you want help.
Realtor, adds in the newspaper
Speak with a real estate agent in your town and find out if they handle rental houses with options to buy or lease options, etc.
you could try the newspaper they sometimes advertise
look in a newspaper or a phone book.