So, right now what you feel the need for could be the same "wholesalers who sell products online" to you, the online retailer.
Some websites show the top 100 searches in a certain section. As usual, I highly recommend targeting a sub-market rather than trying to get a product everybody wants to buy. http://Jackfrench.net/__media__/js/netsoltrademark.php?d=Socialbraintech.com%2Fstory3316112%2Fwww-varanasitutor