AFAIK, there used to exist a company called Borderfree which could transship goods from the US to Canada (or was it vice versa?). Looks like it was
bought by
FiftyOne. The latter seems to enable some
select US stores to transact with international customers, but this is not general-purpose, so can't be used to buy something from the US store of your choosing. At least that's my understanding. It is my vague recollection that with Borderfree you could achieve precisely that: buy from just about any US store, have it shipped to Borderfree, who then shipped it to Canada for a fee.
While researching the above, I came across this:
Wishabi. The original URL redirects to the following:
DealGeniusTheir Cross Border Deals
link redirects to a Wishabi page that has nothing to do with this subject though, so I don't know if they are still offering this service.
The
link in the top-right corner seems to actually work, but they merely list certain available items from what seems to be a small selection of US stores. May be of use to someone if you find the item you want.
