I was speaking to a good friend of mine who operates many businesses online and he just happened to mention that he gets many of his ideas from eBay. Even more intriguing, he told me that he could tell how much of a given product was selling on eBay. Now, I don't know about you, but I've been trying to figure out how to tap into eBay sales information for months now - but there just doesn't seem to be any way.... Until, this know-it-all let me know the simple, yet highly effective method he.