There's never any good stuff around here,
Ditto.
So people in your areas don't feel the need to place a "for sale" or "FREE" ad. You then get creative and YOU place a "WANTED- BIG SATELLITE DISH" ad of your own. You WILL get replies, and then you simply need to filter them from there...
Don't wait for them to jump out and bite you, since that's not working for you, you have to go on the hunt!