Mostly I do a Google search of the product name with critical key words (e.g., sample, giveaway, free), minimizing the use of common words to reduce the number of results I need to search through, and limiting the search results to information posted in the last month or so. With trial and error, that eventually helps me to locate the original source on the manufacturer’s website, if not to a freebie site that contains the real link. Sometimes I just go directly to the manufacturer’s website or their social media page(s) like Facebook, Twitter, Instagram, etc., which sometimes contains the direct link to the offer.
