There is always any situation that they're not telling you no matter who you're doing business with.
You don't want to try to sell a product that has tiny demand. Look in the Search Volume too - this can bring you knowledge about the demand. http://sdiction=&field_format=Text&field_worktitle=Webtraffic&field_attribute_to_name=SERP+CTR&field_attribute_to_url=http://eastnortheast.com/__media__/js/netsoltrademark.php?d=thebookmarklist.com%2Fstory17985923%2Floginml