For car journeys, Here WeGo is very good, and is actually the mapping system in a number of European cars. It was a Nokia property, but now it’s owned by European and Japanese car companies. https://wego.here.com/ It can be used on the web or via the mobile app.
It’s better to just sell it and not replenish the stock than to dispose of it all at a massive loss. The US sellers won’t get more money either way, but this way some losses can be avoided on the Canadian side.