how are these guys doing this?

Ok so I'm looking on Ebay to see what Canadian pennies are going for these days. 5 pound lot in Winnipeg Manitoba sells for $25 plus 10 shipping to the US and Canada. I think, hey this guys done well on this. So $35, let's minus 15% for Ebay fee's and Paypal fee's gets you down to $29.75. Still pretty good. But then I look at shipping to the states. $27.30. I also checked out the shipping from winnipeg postal code and its the same price. So factoring in that there's approx $9 in pennies in 5 pounds there's a net loss of $2.55.
Also there's another fella in nova scotia, my home province, selling to for the same price. My first idea is that they have their coins in the states already and is getting someone to drop ship them right. Neither Nova Scotia or Winnipeg are that close to just make a run for the border and ship from down their. Are they just nuts or what am I missing here? Cause before they shipping comes into play they are doing alright and I want in. What do ya think?
Also there's another fella in nova scotia, my home province, selling to for the same price. My first idea is that they have their coins in the states already and is getting someone to drop ship them right. Neither Nova Scotia or Winnipeg are that close to just make a run for the border and ship from down their. Are they just nuts or what am I missing here? Cause before they shipping comes into play they are doing alright and I want in. What do ya think?