100's of times before. If any interest was there, it was purchased long ago. Also, anyone responding to such an offer should be added to YOUR mailing list. Once the ice is broken, and you have treated the prospective customer fairly, they should be prospects for your offers. YOU ARE and it's now up to you to make the eventual sales.
Many dealers fail to follow up properly.
They let their prospects slip between their fingers and go to other dealers to buy their products form. Their loss can be your gain. The only things that mail order dealers will really buy are items to resell or things will not make it. A good investment, if you need the extra help. Well, my friend, it just isn't so.