What to Buy in US (Everett WA) Before Crossing into Canada

So you're already north! Fun times. Made that trip twice the same spring and it was awesome.
To dispel some rumors, don't know identify got the rubber glove at the border or not, but when it comes to food, fill the fridge and drive. Gazillions of people head north from here to camp. You fill the fridge and go. They're only concerned with booze and smokes quantities really.
For everyone else, stock up on everything you can in the US. Only things cheaper in Canada are hockey equipment and health insurance! Seriously.