Based on product price, shipping costs and availability, I decided to not get diapers from AB Canada anymore and just get them from the US Store. I got them shipped to a depot in Niagara Falls, NY and this weekend when I was in Niagara Falls, ON I crossed over and picked them up. It worked out really well. Because I was already down that way, there was very little gas cost for the actual diaper pick-up.
I would definitely do it this way again. It wasn't a big deal coming back across the border either. I was just up front that I had 2 cases of Adult Diapers and had my receipt ready to show them. Now I have so many diapers! I ordered twice what I usually do to make it even more cost effective.