The only downside I can see is that I will have to pay the US currency exchange.
1Password always has promotions on the US side and I don't see them on the Canadian side.
With the current 50% off promo I would still be ahead with pricing.
I couldn't find any "fine print" on the promo as to expiry and limitations for existing customers.
1Password Version: 8
Extension Version: .70
OS Version: Windows 10 21H2