Mark,
The Camera Store price on that combination is only $209 higher than Kenmore and Camera Canada $218 higher, according to their online pricing. So with total taxes, that is only $220 more for the Camera Store (Alberta) than the untaxed US price. Remember that Alberta has no PST, only GST.
I think thou doth exaggerate far too much! $450 yeah right, do I LOL now?
Second, you will have to pay tax in Washington State if you purchase over the counter. If a Washington State retailer ships product directly out of state, they don't charge Washington State taxes.
Third, when you re-enter Canada after purchasing in person in Washington State, you will pay GST and PST on the full purchase price including the Washington State taxes. So that is tax on prior Wa state taxes. There is no duty or tariff on DSLR cameras, just the taxes.
Or, you are going to smuggle them back undeclared? Risking double the price in penalties (the typical fine/penalty for smuggled goods) on top of the the duty and taxes due anyway. That bill will work out to approx. $3000 fine and all the taxes that were due anyway. Possibly although not likely, it may even include forfeiture of your vehicle. Not to mention the whole inconvenience, legal costs and at least the record of the prior offence that will get you thoroughly searched every other time you ever return to Canada from abroad. Is it worth it for $220?
For the warranty question, why would Nikon Canada warrant your product when they received no compensation from the original sale? Maybe Nikon Canada would go bankrupt repairing cameras from all over the world for free even if they didn't sell them? Make any sense now? All the Nikon facilities are independant agents for their particular sales areas (i.e. Nikon Canada, Nikon USA, Nikon Japan), just like all the US cars that the Canadian auto dealers won't do warranty work on?
My suggestion, order your equipment online from B&H, Beach, Adorama or even Kenmore. Use UPS's International Expedite service (it includes the Broker fee that can otherwise be as much as $25 - $35 dollars alone). Or buy from one of your local retailers, build a relationship with them and figure that they bring value to your purchase when you can ask them questions or seek out future guidance/advice.
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Sincerely,
BradV.