Start with a local question. Keep the network, language, and delivery settings separate so the result tells you something useful.
Build a Québec English and French presentation matrix
For Canada localization, compare supported English and French journeys with the same delivery address and exit. Check product text, units, errors, and confirmation pages. Then change the province in a separate run so language and address effects remain distinguishable.
Keep provincial checkout totals with their inputs
Use supported Canada delivery examples in Québec, Ontario, and British Columbia with the same basket. Retain the site's GST and HST observations as displayed, along with shipping and final totals. This records the checkout response without inferring tax treatment from the proxy country.
Preserve CAD and Canadian postal-code details
For Canada price research, retain CAD, item variant, seller, and the postal code used for delivery. Test postal-code spacing and normalization on an address you control. A US comparison needs its own currency and fulfilment inputs; a country route cannot provide those customer settings.