It never hurts to spread the word about what you're looking for. After I had been collecting TVs for a few years, I started having them show up on the front porch!
If you make it known what you want, somebody will know about their mother-in-law's former maid's ex-husband's cousin down in Kansas who had a neighbor that went to New York in 1975 and met a fellow who used to work at a junk store where once a lady called in to ask if their neighbor's son back in Albuquerque whose plumber had an ex-girlfriend that saw an ad in a defunct newspaper for an estate sale in Texas with an old TV set was worth anything.
EEK! Grand daddy of a run-on sentence
Charles