That's tough to answer.... if you have a good site to send them to and the quality isn't total trash coming in, then it could do really well, easily 30-50+ sales a day.
U.S. traffic needs to be split up better based on devices, a micro device change can really make a difference. Check out
Topbucks, they do exactly that and may be able to help with your overall filtering. Hit them up, they know the game better than anyone.