[vezuchyy]

My impression is that groceries are more expensive in the US. I didn't do an extensive research but I was camping for a week in WA and OR last summer and didn't get any groceries with me. I didn't find Costco, Safeway or Walmart to be any cheaper than in Vancouver.

[seanmcdirmid]

Not sure about food, but diapers, in particular, are much cheaper in the states than in Canada.