I know a Realtor who does it the really old-fashioned method of going door-to-door, and he actually gets the results. He swears by it. He says people remember him, that he brought them a small gift, and because they have met him personally, he is their go-to person.
You could also try researching about optimizing your articles so that search engines will pick them up, search for “SEO”. I used to use Adwords until I discovered that I get much more hits from an authentic audience if I write good content.