Contacting "For-Rent" listings for potential cash buyers

[Austin Shelton]

How BPers,

For those of you have found cash buyers by calling For-Rent listings on the internet, I have few questions for you.
I have noticed the majority of these listings (on sites such as Zillow, Trulia, and Craigslist) are marketed by a realtor or brokerage. Do you call the realtor? And if so, I'm assuming you'd ask for the owners contact information?

I've always been under the impression that I would want to speak directly to the owner (and have the relevant conversation) so that I could potentially gain them as a future cash buyer.

Or am I missing the point? Are you using other sites where owners list and market their own properties?

Thanks in advance for your time and help!